MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier, with heuristics indicating it's a link farm and a callback phishing lure. The document body is heavily obfuscated, but the presence of external URIs and the 'SE_CALLBACK_LURE' heuristic strongly suggest a phishing or scam attempt. No scripts were extracted, but the PDF structure itself likely contains obfuscated links or redirects to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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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://inwebjor.ru/uplcv?utm_term=strike+force+heroes+3+unblocked+76 PDF link annotation
- https://alident.centralcms.cloud/galeria/files/bivuxutabelorerasexoxujol.pdfIn PDF document text
- http://medwin.kr/userData/board/file/gedifizibofuvetasixagax.pdfIn PDF document text
- http://chocoenglish.com/_UploadFile/Images/file/70598738111.pdfIn PDF document text
- https://bharatceramics.in/ckfinder/userfiles/files/gasozoxokavodoxaketemoru.pdfIn PDF document text
- https://yifff.se/userfiles/file/karamapafarozakalun.pdfIn PDF document text
- https://haisanquangninh.org/data/dulieu/files/wokejo.pdfIn PDF document text
- https://ubitanduk.com/contents/files/fulakusurom.pdfIn PDF document text
- http://premiercontainerlines.com/media/ftp/file/rotakigomokexika.pdfIn PDF document text
- https://medsplus.us/admin/images/file/jezapuvizozezovox.pdfIn PDF document text
- http://etcad.net/np/upfile/file/84116117741.pdfIn PDF document text
- http://atek-ent.com/upload/file/fozotewuxatukelafedagoz.pdfIn PDF document text
- https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/cec3467bd7ed1f503683128ac3525208/23156266137.pdfIn PDF document text
- https://alstar.uz/images/shared/file/75141152714.pdfIn PDF document text
- http://puntolinea.org/userfiles/files/64409039597.pdfIn PDF document text
- http://spalovnachemolak.sk/userfiles/file/tebud.pdfIn PDF document text
- http://plise.org/userfiles/file/jilapinaf.pdfIn PDF document text
- http://amongelite.com/ci/userfiles/files/bovitimupinexizes.pdfIn PDF document text
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/1614256f16440b---84336568132.pdfIn PDF document text
- https://vnsteeldetailing.com/UserFiles/files/dumafekoneresixezetileg.pdfIn PDF document text
- http://agilesolutions.in/uploads/muxiwoxataxanutu.pdfIn PDF document text
- http://fleshlight-tw.com/userfiles/file/sibupidebijasedixi.pdfIn PDF document text
- https://tavio.ru/files/file/82622532019.pdfIn PDF document text
- http://velo.hu/UserFiles/file/sawakedulaxulan.pdfIn PDF document text
- http://pro.ovh.net/~tribuene/images/banque/file/pomufumesifukowugefutala.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_off0000b663.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB663 | 18116 bytes |
SHA-256: 5f40e2c05ef5d2de7710f8e944c2f29619e333eaf2abe24878c0731aca955df7 |
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font_01_sfnt_off0000e59d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE59D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fdb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDB4 | 11208 bytes |
SHA-256: 66cd59201827e44c873d0b8b94a6307530d2590591637446ea77c63897d9bc40 |
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