MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple external URLs, some hosted on compromised WordPress sites. The presence of `utm_term` parameters in some URLs suggests an attempt at tracking or SEO manipulation, potentially for phishing or malware distribution. No scripts were extracted, but the overall structure points to a malicious document designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9946
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 https://archism.ru/uplcv?utm_term=cheat+ark+survival+evolved+android PDF link annotation
- http://prosquash.by/data/zivanonapamutuvuwijot.pdfIn PDF document text
- http://lawngo.net/fckfiles/23066203415.pdfIn PDF document text
- http://grapes4u.ca/sites/all/sites/grapes4u.ca/files/baxuraf.pdfIn PDF document text
- http://writtenmail.com/upload_images/file/gekinorun.pdfIn PDF document text
- http://wintec-samu.hu/uploads/files/64545465600.pdfIn PDF document text
- https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071030e21b5a---40486107015.pdfIn PDF document text
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/76100d29409892f6e59e6b438c7a514e/xaguwipedilosedenemekaf.pdfIn PDF document text
- http://kimandyoo.com/userfiles/file/pepifapobawa.pdfIn PDF document text
- https://alihuata.com/userfiles/file/fobezowinumigenupuzisupa.pdfIn PDF document text
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/160759a1faf52e---34358087767.pdfIn PDF document text
- https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/c4e350e0219718f5dc058120fd9f685e/6359675090.pdfIn PDF document text
- http://sjhrz.com/images/upload/File/julabotinekenorajusu.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/324585eh38u1da2qqt1jr2qali/kuvotiruder.pdfIn PDF document text
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/927d7162951de9ba19ab7284673ac2a5/78621916388.pdfIn PDF document text
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607815763ae04---wiwesuwida.pdfIn PDF document text
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1a51c595b---81736665172.pdfIn PDF document text
- https://tarzminder.com/resimler/files/62138360935.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/6581g8h9e09grc6kgk52fmdado/lenanidak.pdfIn PDF document text
- http://am-assets.com/aom/magnolia/userfiles/file/5140827343.pdfIn PDF document text
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160945a581daa0---61620652353.pdfIn PDF document text
- http://www.doctor-carpet.com/wp-content/plugins/super-forms/uploads/php/files/6jg7jhv7dto3672c65da46b8k5/satilowipikadufewimigijot.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/ccfce14bc73235ee6724cb1987eadb99/misejazejowalix.pdfIn PDF document text
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/841916c61acbba21994b80fb4e5e6694/pexarijuvifapewaz.pdfIn PDF document text
- http://proxima-design.cz/files/file/74252612085.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608c87ac10f46---poxidijizekuwa.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_off0000dbe2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBE2 | 17092 bytes |
SHA-256: 5fd51768711b6b5a9e2c1a0587d0c6910d17beef795e909c991cab3d0b1fc3a4 |
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font_01_sfnt_off0001083d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1083D | 10632 bytes |
SHA-256: faab5e454bbcbf636a0c5a4fd1a04f3d516a61a57ba8ce7bc0451a07511873d1 |
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font_02_sfnt_off00012097.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12097 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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