MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The PDF contains a link farm pointing to multiple compromised WordPress sites, suggesting a phishing or malware distribution attempt. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document likely provides instructions to decrypt a password-protected archive, a common tactic to bypass gateway security. ClamAV detection and ML classification further confirm its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a70d0a7f107---30100467600.pdf In PDF document text
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4b733ae162---99468667227.pdfIn PDF document text
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd7d070074---17778635592.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160858f212c954---jazex.pdfIn PDF document text
- http://novo-foto.ru/ckfinder/userfiles/files/22498516221.pdfIn PDF document text
- http://pdww.ru/ckfinder/userfiles/files/fowaxizijoraporologami.pdfIn PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fbe64b5907---25800447059.pdfIn PDF document text
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/edsmm37dksiggedjoum6gpsn70/rafejorowenotedepafum.pdfIn PDF document text
- http://toanthinh.vn/webroot/img/files/53823934344.pdfIn PDF document text
- http://danielbushreunion.com/clients/41596/File/zedigager.pdfIn PDF document text
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c579a1633e5---dularafekapopalip.pdfIn PDF document text
- http://hwayinn.com/image/files/20210628_010159.pdfIn PDF document text
- https://blindnow.com/userfiles/file/devixiza.pdfIn PDF document text
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/e9387bda914e3bc22b20ee3440e23444/muluwokazitesawujetatuve.pdfIn PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ff1a325ed6---41959934996.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/l7o4e3849ie6ngn44qufss1gv3/savubasawaku.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afded529dcf---kigepifimuxedifimoruf.pdfIn PDF document text
- http://teenaramainc.org/clients/875997/File/96314281870.pdfIn PDF document text
- http://thegioidahoacuong.com/uploads/image/files/62557772914.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/0159fa1dad701c3457362369158699d6/76247994339.pdfIn PDF document text
- http://lroundup.com/clients/d/d7/d7466da0ad72d96b64793f89c518a0d9/File/lonozokepujebixubar.pdfIn PDF document text
- http://attlas.center/userfiles/file/56149392909.pdfIn PDF document text
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/db57607e3c3364d872ce69daa7e7cd81/degisade.pdfIn PDF document text
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/b21b43444382057828ebaee3b2c2092d/fozuwawobetimulerab.pdfIn PDF document text
- https://pasarantogeldua.com/contents//files/zudifidunozosazam.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=print+pdf+with+password+protectionPDF link annotation
- 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_off0000e7e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7E5 | 17696 bytes |
SHA-256: a74480434b2e0a909b2f011f765159272a06c5ce541f5e74dd4c2f5e788c2949 |
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font_01_sfnt_off0001154d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1154D | 10756 bytes |
SHA-256: 19d537e7c3e3ecfdfca38e0d1e8971d991649b37683b105294f58513e1bc4cc5 |
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font_02_sfnt_off00012e0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E0C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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