MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains a link farm pointing to compromised WordPress upload storage and other disposable hosting, suggesting an attempt to distribute malicious content or conduct phishing. The 'SE_CALLBACK_LURE' heuristic indicates a potential callback phishing or tech-support scam pattern, although the specific lure text is not available in the extracted document body.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa85f897562---vemitupikepexitufali.pdf
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/fec24cdde45d5b616e587b60576f6449/86225414661.pdf
- https://searchlink.org/userfiles//file/14705298005.pdf
- http://kimbuunguyen.com/uploads/userfiles/file/5938152458.pdf
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/g8fl19ckjjgoqs73f1n8b87ekd/mofumavozap.pdf
- http://npxbyy.com/wang3_3_10_27/Upload/Upload/file/20216211116344575.pdf
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf37bd1438---90599262103.pdf
- http://amphorabeautyclub.com/campannas/file/zafuxubeje.pdf
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/2i8ehk3eiep8du2fl8t18k14q3/64022251440.pdf
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160e3926ada115---valuwenojitasofofep.pdf
- https://anpheatingandac.com/nbloom/fckuploads/file/sikuwalazuxajazi.pdf
- http://skogsformedling.se/bilder_umeny/File/91023371943.pdf
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aabad5774e9---jewasoto.pdf
- https://gaziemirkentkonseyi.com/upload/files/sofanatibora.pdf
- http://aggengr.com/uploads/CMS/file/1280451829.pdf
- https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/16091cf6371925---dewedobi.pdf
- http://talk200.com/admin/admin/uploadfiles/file/97689741350.pdf
- https://digidatadecolombia.com/wp-content/plugins/super-forms/uploads/php/files/c474fd9d7d8aa25a651fec214b319f18/wuretanoruruvivotu.pdf
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095f8250232b---40259168872.pdf
- https://xo-sound.ru/userfiles/file/44139190434.pdf
- http://monroehighbeachreunion.com/clients/8/88/88bd109b8fc96949fe6caf7698e88fda/File/lejibekewati.pdf
- https://lemanssrl.it/file/saxetunag.pdf
- http://splogservice.ru/content/files/ginejuxekomude.pdf
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/4fd34372acc9da3c5b88041055abfbf7/mafudenojujenolidelodoxu.pdf
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b40414e297---pejetilemawevupo.pdf
- http://ekonopuntos.com/campannas/file/25719062938.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=transfer+of+property+after+death+with+will
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e600.bin405c5904b5647e1c0ac13b6836f0765dd1586c5f6d025be5fafa494e1c2b2bad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE600 | 10760 bytes |
font_01_sfnt_off0000fec1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEC1 | 16792 bytes |
font_02_sfnt_off000116d3.bin0ec92d53dad1ec217e232c6ff0a53fa4138026aea46bc8ad223056141f398ed9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116D3 | 16240 bytes |
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