MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, pointing to numerous PDF files hosted on compromised WordPress sites. The embedded URLs suggest a phishing or malware distribution scheme, aiming to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://dalaichau.com/files/kapumosufofedimo.pdf
- http://cravaluos.com/ckfinder/userfiles/files/pijutolelelosafi.pdf
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070ab750debf---13749158272.pdf
- https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/s4au36tvbcq86rpqlt81nosbo6/31987852230.pdf
- http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160b0149fe6057---37727669675.pdf
- http://kpnamboodiris.com/userfiles/file/45875088902.pdf
- http://kup-vino.cz/web/ckfinder/userfiles/files/raxefonidometaketak.pdf
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b42fc00b672---zupiwivodukejabupux.pdf
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608808e2f26c5---52590395613.pdf
- https://sonarmusic.hu/up_image/file/78751681914.pdf
- https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/cuecukoml944oln64e4vgiosnh/83530964232.pdf
- https://emprenderem.cl/files/56611536335.pdf
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/4ef37e2c388376b573e959e25d8e5245/27852265772.pdf
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/16082f044b609a---rulavelalejojonu.pdf
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609ccdaed77fe---98708013927.pdf
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/4ce217d9ce32640804975845923ce0df/mijixuxodijifefefo.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16098c4456eb50---41706642614.pdf
- http://hanart21.com/files/userfiles/file/fipixute.pdf
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/dea7ba63781327f68b2981f2553a37aa/87794721623.pdf
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073ca9b47a3d---zatuwusaj.pdf
- https://beaszemin.com/files/8138141436.pdf
- http://skylineidaho69.com/clients/c/c7/c7306e0a9cc1d421caefa9c307ca601f/File/mamapepitukivor.pdf
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4de1572ef8---banarizawisovofekaj.pdf
- http://3suntech.com/UploadFile/file/20210614211844601.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=cellular+physiology+and+neurophysiology+3rd+edition+pdf
- 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_off0000f343.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF343 | 16792 bytes |
font_01_sfnt_off00010b5a.bin4616b54627e9a5cd2b15ed6215bfd269079dd84812ca7252acaa0cb20441047e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B5A | 11196 bytes |
font_02_sfnt_off00012557.bind984df8912970690337c12bb0a828d8d2d678268ab9521b48779e49c8d937340 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12557 | 16968 bytes |
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