MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to potentially compromised websites or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URI heuristics and compromised CMS upload links further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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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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://hcvitamin.com/webroot/img/files/xutelowegidupogodonizubeb.pdf
- http://www.urbanwaterways.info/files/lodejujikufubunexi.pdf
- http://aksaaydinlatma.com/img/editor/image/file/62502722058.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c708e23893f---jakanoxofom.pdf
- https://www.stjohnhomelessshelter.org/wp-content/plugins/super-forms/uploads/php/files/d72bf1c32207866e94401685d6810782/13132783454.pdf
- https://esperanzadeavila.com/fotos/file/vewadixabosalu.pdf
- http://cancercareresearch.com/userfiles/file/kebaleworarobalan.pdf
- https://brickbodysupplements.com/newerac2c/userfiles/file/51114501567.pdf
- http://mega.kz/media/upload/files/pifidijazefizape.pdf
- https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1609dc8f340f31---68810941059.pdf
- https://roeveragri.ac.in/wp-content/plugins/super-forms/uploads/php/files/96a132c857a3208dece16c1e93b48581/raleripewofimifudavefut.pdf
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160af628195843---57314265716.pdf
- http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084e2f91f841---41306772808.pdf
- https://oncallanatomist.org/ckfinder/userfiles/files/diwefinofazivelagomisoj.pdf
- https://www.sudburyhighspeedinternet.ca/wp-content/plugins/super-forms/uploads/php/files/6984d9c0eb14e15883c3911013982466/momowu.pdf
- https://aduanaldelvalle.mx/userfiles/file/mofireremuduwunadiropedum.pdf
- https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160784a01b59bd---96479055837.pdf
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094c0dc06aeb---29799030785.pdf
- http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/p22tvais02dqim0ateta29rmgs/dujigosizudomizonizekiva.pdf
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cad644974d---rewavep.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=vba+by+reference
- 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_off0000fdd7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDD7 | 16792 bytes |
font_01_sfnt_off000115ee.bin1b607d015d0d35b2ab1ceb2ef86f3dd815069bb7310609636b24d028dd144fbb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115EE | 10028 bytes |
font_02_sfnt_off00012c5b.bin4f9ce233ec7961ba1f3a81698f42c447f692a539a26c4cda4b2019c47bc24b64 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C5B | 17252 bytes |
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