MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
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 compromised WordPress upload storage and other unknown hosts, likely to download further malicious content. The presence of a 'download button' lure reinforces the phishing attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f17c1912b2---43966110941.pdf
- http://4grd.com/cmsimages/file/kazopokax.pdf
- http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/160813e672fe2a---44303149146.pdf
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afd1453cc29---33754910321.pdf
- https://ubranni.com/uploader/files/tolov.pdf
- http://sbsinternationalschool.org/sbsisnew/userfiles/file/xasejez.pdf
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aebb7286d64---morod.pdf
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/b7a1f262ce217108ad540417eeb921e4/65868397196.pdf
- http://bertrandetgastineaudesigners.com/userfiles/file/22617913945.pdf
- https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/350fc5162efc6107e338d52f29247a89/sowuvefinonotigafobuzurek.pdf
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed5ba617fe---disetelajujoreromalelu.pdf
- https://kham.vn/userfiles/file/novujapolelake.pdf
- https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/9rhlrjb8hs3r6cpi1908nj32n1/gamaxedaxene.pdf
- http://warraichmeats.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083ec9c4c0eb---27443515155.pdf
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/e68b74ffd502d5eebcc16fa12a07b372/84913695950.pdf
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/8m6pe6k3m401tcrq5kk8612931/61930742013.pdf
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/jk8fkkts3db1gcp04dvmqh0ikm/deboxasom.pdf
- http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/fdf7513ba8deb549f141e960ed145542/sijokivawuremexumujalu.pdf
- http://seigyobannkaigaikikaku.com/ckfinder/userfiles/files/divevob.pdf
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160980f6393c74---8831962539.pdf
- http://suapaiatuipelehakefamily.com/clients/80707/File/17394116329.pdf
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1608fb4e26441b---76665977603.pdf
- http://pixel-pro.ru/upload/file/43236158454.pdf
- http://www.reenactmentmarket.eu/images/wyswig_images/file/pipozejogevalojexukumajow.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=chicken+invaders+4+free+download+full+version
- 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_off0000e0b9.bin6ebb18a9086b10aba1c125c64aa8d0951856916c284f8ee3f4236fd403116ed0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0B9 | 17096 bytes |
font_01_sfnt_off00010c89.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C89 | 16792 bytes |
font_02_sfnt_off000124a0.bin7deb2b3f7eb6552db6a9908196bb38846cc257a513ee521bcc01672d8032a325 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124A0 | 10928 bytes |
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