MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains multiple heuristics indicating it is a link farm and a callback phishing lure, prompting users to call a number in a deceptive context. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were directly extracted, the PDF structure and embedded URLs point towards a phishing or scam campaign, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://wastran.ru/uplcv?utm_term=battery+on+a+peace+officer PDF link annotation
- https://hssipm.com/wp-content/plugins/super-forms/uploads/php/files/a3c5abd2652931e92cbe0df5822baa7b/fenujoneluvoz.pdfIn PDF document text
- http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f97e602105---10048263577.pdfIn PDF document text
- https://balajitutorial.com/admin/userfiles/file/3951959301.pdfIn PDF document text
- http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/5htt6dgn60jkaaaqo81hi4fnd9/10673792568.pdfIn PDF document text
- http://shlawllc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nefilerenifegezi.pdfIn PDF document text
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081e9402784c---2839185685.pdfIn PDF document text
- http://narcisse.sk/editor_uploads/files/40166377163.pdfIn PDF document text
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/gkdv4noiaf9autc98t0e0kv9v4/jakuzat.pdfIn PDF document text
- http://ketoanantamhcm.com/uploads/files/23161655909.pdfIn PDF document text
- https://khyatiinfotech.biz/ckfinder/userfiles/files/marogufuw.pdfIn PDF document text
- https://moscowfashion.net/content/xuploadimages/file/zebexa.pdfIn PDF document text
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/69127d0ac491de0afedd2ced3778e211/dutugab.pdfIn PDF document text
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a1ef1ae761---pulawanodemuxubavo.pdfIn PDF document text
- http://mcutech.net/files/kerilatanidadekenugesivuf.pdfIn PDF document text
- https://heatingboiler.ca/fck_upload/file/61963067259.pdfIn PDF document text
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/8527c7f2214da36be32e56dbb4337438/fosonoziwezarafobab.pdfIn PDF document text
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/fkeptmb8o7i8fi2do5l101hati/vimusobilixer.pdfIn PDF document text
- http://rlangkhan.com/upload/userfiles/files/rozujejojoxekubelodeziraf.pdfIn PDF document text
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/l74p1d4hnp7e921jrmdiupv36j/xamodiwebanopokerufut.pdfIn PDF document text
- http://chikatere.com/Upload/files/33576301973.pdfIn PDF document text
- http://agcslohian.com/userfiles/file/rosiwinajaz.pdfIn PDF document text
- http://alexhoffordphotography.com/temp/files/file/36915211825.pdfIn PDF document text
- https://nutricionintravenosa.com/wp-content/plugins/super-forms/uploads/php/files/91e9d64ada40aeb29ec0a76836f25058/51400538343.pdfIn PDF document text
- https://coffeetuanvang.com/Images_upload/files/33142906921.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_off0000e488.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE488 | 10428 bytes |
SHA-256: e6626f0bc049a44da817ff6096ba04a27fd1e918fecbc357b2bf1efbcb7a6f39 |
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font_01_sfnt_off0000fc57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC57 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011469.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11469 | 18180 bytes |
SHA-256: 32804e3b6dcdba0c09283e5d8f333d44f50a500b62ae7ece86d74f9dc8094168 |
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