MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to compromised websites, many of which host further PDF files, suggesting a link farm designed to distribute malware. The presence of a 'download button' heuristic further supports the malicious intent of luring users to download a payload. ClamAV detection confirms the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/ae1cf63495fac3fa36c5a2eee49264eb/96904611364.pdf
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b094571ebc1---48176100320.pdf
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609e0a9b21782---dejaponu.pdf
- http://didaconcept.com/admin/fckeditor/file/tatixawiwof.pdf
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b3905cbeb0c---tifimemo.pdf
- http://provia-events.de/pics/fotos/1/file/39854520677.pdf
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16096eefb79f0b---pusarukotugiponu.pdf
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/60c543895b0ee9f764ce097f7c2dc4fc/lozaxumusuwaluzedu.pdf
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071816339949---torodafugekunitebitab.pdf
- http://brkvinc.com/userfiles/file/dixajuvon.pdf
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/ce18f35641ed2617ebe1ff4daaa56cb9/27469971482.pdf
- https://travolution.travel/wp-content/plugins/super-forms/uploads/php/files/354e1c348eae12954b5b53a80b212fd8/70642105104.pdf
- http://hamdard.com/hamdard/app/webroot/img/ckfinder/userfiles/files/22357929251.pdf
- http://permianhighschool1970.com/clients/e/ef/efee9fcbc667252fc4b649c8163d3733/File/dedutajizev.pdf
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f0002a336a---fofusuwekem.pdf
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/qqfljphmndb4v9g34g3eotict7/56498167949.pdf
- https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/rch3nk5pdh12d6c255k15s1qr6/42376612848.pdf
- https://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/4l9r1dr89cqqo84ij1gcptj1fr/vodufemevalupifivut.pdf
- https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/98919a053154bb2f98bbcbd9f2df5e4d/20504963012.pdf
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/9e13794b84940a995e9f22b569429e8a/74132069335.pdf
- https://www.asahinadigital.com/wp-content/plugins/super-forms/uploads/php/files/1qeuuohdiigh49970jhhsp2td1/55139482710.pdf
- http://orbitsecurity.qa/pro_mvp_tech/uploads/file/lamawipizukozepulolu.pdf
- http://detikakdeti.ru/img/file/52218353520.pdf
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/bb62f0b99f46ae3f67747fb9eeda5bfc/judikinejifezafozibegutax.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=stampy+and+squid+adventure+maps
- 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_off0000ec0b.bin434b9b5ae3707fac810c8a5750edb4051e6ce7407c13fa26ccac708aab1fbe56 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC0B | 17028 bytes |
font_01_sfnt_off00011896.bin8429c93a09a21f1cb84ebf83d77e0e68724ce842a5eb1280ea12bd2751922d9b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11896 | 10888 bytes |
font_02_sfnt_off0001318c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1318C | 16792 bytes |
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