MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing or trojan. The heuristic 'SE_CALLBACK_LURE' indicates the document likely contains a phone number intended to trick the user into calling for support or to resolve a fake issue. Several URLs point to compromised WordPress sites hosting PDF files, suggesting a link farm used for distributing malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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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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 http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/bmnta1unvh6gdsmdo04l1gk3qv/puzatusofemuwubexajave.pdf In PDF document text
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611eff64becde---zovejunemibajuwawewisisuw.pdfIn PDF document text
- http://abwplazaview.com/uploads/files/8275954523.pdfIn PDF document text
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16072b838dc890---xidowabogazekogopekib.pdfIn PDF document text
- https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/3e4ee004684e14ad28155dc2f695edc2/24390478642.pdfIn PDF document text
- https://actor-conseil.com/files/file/vemufeb.pdfIn PDF document text
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/amb6g05ofngb5949q7qqv7rv7l/mevuwoxuw.pdfIn PDF document text
- http://trovas.com/userimages/63065349177.pdfIn PDF document text
- https://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/0a2bc20be53e63cad60f0c8419c2bbbc/4030817964.pdfIn PDF document text
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/139decb9aafe80949d4f81a7631d568a/32020190418.pdfIn PDF document text
- http://ronaldtan.nl/images/photo/28003209283.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f8c8db4466e---15012737844.pdfIn PDF document text
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160afcfba271b9---texujunosalolodifexe.pdfIn PDF document text
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d642d7ec44f---jeguzawa.pdfIn PDF document text
- http://tanphatinst.com/vietkiendo/upload/file/58697936442.pdfIn PDF document text
- http://barcelonasixtytwo.com/userfiles/file/1296484076.pdfIn PDF document text
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608172dbbe5b6---40901287411.pdfIn PDF document text
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ace0c0a9353---81132173886.pdfIn PDF document text
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/f5e5c98fec3dd870d7f637eb91b00e92/42339621758.pdfIn PDF document text
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/8288238a1bda65aee74f872a7f7ddd77/luxoxowiben.pdfIn PDF document text
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/d278e6883b4dd2302014b1370fdc0a5f/90680058361.pdfIn PDF document text
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/95e5d25711395a89d0a43196514b59c7/fefiluneporapinine.pdfIn PDF document text
- http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b84af4d0e77---gikitobela.pdfIn PDF document text
- http://ahcxdq.com/uploads/file/062152493153.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=jquery+string+to+arrayPDF 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_off0000c2cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2CC | 17640 bytes |
SHA-256: 330629a08e96fefbaf3cfb191da925b0cf8c156b75083d3fada99854dd550a4a |
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font_01_sfnt_off0000f0df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0DF | 10588 bytes |
SHA-256: 07386990ec95f088ba3cc3818ef3df8b1c007e3f4ef016de99163f110b03f894 |
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font_02_sfnt_off000108f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108F3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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