MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm pointing to multiple compromised CMS upload directories and disposable domains, suggesting a phishing or malware distribution lure. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass gateway security. Although no scripts were directly extracted, the PDF structure and URL patterns are indicative of malicious intent, likely to trick users into downloading a malicious payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9819
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://synerhu.ru/uplcv?utm_term=motivational+f+words PDF link annotation
- https://jakspravnenapsa.cz/userfiles/file/25083105680.pdfIn PDF document text
- http://crescentcarpets.com/userfiles/file/46711444424.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d054f59b72---71434035292.pdfIn PDF document text
- http://nineslash.com/user_file/file/puwomotosu.pdfIn PDF document text
- https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/3fbc032cd0d46d7126186e4c5a8e6059/39141179088.pdfIn PDF document text
- https://thetitangroup.ca/wp-content/plugins/super-forms/uploads/php/files/1f1707c8108c3aeaf2bb4292dd9b3f64/juxuxuduni.pdfIn PDF document text
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609e4ff572f1c---tegidojetubitisusow.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/eprmhqrqi8b7cafgt0ns9fcf2q/80484514233.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16099ec0705d76---50136602864.pdfIn PDF document text
- https://adlinefor.com/home/webagen/public_html/korn/data/file/zamakowalujaf.pdfIn PDF document text
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/98619739d62b034698c6a842d62b7d14/reganesoge.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/h16o52ommcdonddqvjn421l8ep/53936188049.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e19de5d9e9---lumavub.pdfIn PDF document text
- https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/t8u956e64aa4sere88fe7gptvl/xofedabufimagutuwegowera.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072f3ee4c38f---22971234237.pdfIn PDF document text
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/r4bdq1o2udjrjj47m5fsgoig5k/rokamexewozelilus.pdfIn PDF document text
- http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/bo2bvi35aqcfnm28e2o7chqkvv/wuvoforikumupejevoguza.pdfIn PDF document text
- https://prana.video/wp-content/plugins/super-forms/uploads/php/files/oqhjca7arji376ita80bclfmj8/53786064970.pdfIn PDF document text
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/e3a2697915579ac60e8e8669ce65846f/97847862529.pdfIn PDF document text
- http://doubletroubels.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075a25181d18---fodatufufatupowutagad.pdfIn PDF document text
- http://midel.me/userfiles/file/48363956647.pdfIn PDF document text
- https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/57d4aed1e57973181d24b0caa49a8bd8/tonudatixu.pdfIn PDF document text
- https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609b43b1b1765---5113335759.pdfIn PDF document text
- https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/8f14245c03a0573ecee71939adc6ffbe/sezolufakereseseraleraw.pdfIn PDF document text
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081d26674302---nazarududipolaf.pdfIn PDF document text
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16073f9d741987---nirugaguvolidizudikux.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/eb39d54a14b42b8cd1c065f905c43f82/59657672324.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eea6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEA6 | 10360 bytes |
SHA-256: dd61e2a1d7def3b82541b1b0dccf16a169a68e00c02c7885340123e4dbd1c303 |
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font_01_sfnt_off0001063e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1063E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011e50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E50 | 17776 bytes |
SHA-256: 957ef6dbb60755af7e3f9bf675dbb340f301e2319ae6d484a859cf6df83f39f3 |
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