MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1055.012 Process Injection
T1204.002 Malicious File
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to compromised WordPress sites, likely serving as a distribution point for further malicious content or phishing lures. The document body is unreadable, but the presence of numerous external links and the detection signatures strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 6
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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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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://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/160972d4c70d1e---65716040180.pdf
- https://www.deuba.info/wp-content/plugins/super-forms/uploads/php/files/7bmuvoitd32n3o5lmip2ir4d5j/motowofune.pdf
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160806e3ad54ef---37158065623.pdf
- https://bluetact.com/locktactyuma/userfiles/file/veluxazijab.pdf
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160e8c5cf2ad82---mufom.pdf
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a8a5d3ea57f---favetiximatonanarubakota.pdf
- http://skomi.ru/img/files/file/purigadifisibenom.pdf
- http://spoilersmensgolfclub.com/clients/865201/File/gogisefavoronivetakoguw.pdf
- https://www.deuba.info/wp-content/plugins/super-forms/uploads/php/files/hrh582ef3q0sqnujerjtpjg471/xuwenawitagepelibud.pdf
- https://cryptoshift.be/anaeter_capital/siteadmin/userfiles/files/vizirokugexurareviwuzis.pdf
- http://xn--49s538bo8ux8c.net/userfiles/file/29244754709.pdf
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c24348d2c0---bodafexeturobaji.pdf
- http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160883c6ade454---1313049513.pdf
- http://bostonmentors.com/userfiles/file/jokukumidurimabi.pdf
- https://matrainagycsalados.hu/userfiles/file/xewobugugafogilipiko.pdf
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16071149b70de1---mogoro.pdf
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b111e14d835---79476870512.pdf
- http://lg-palette.com/upload/files/revujerapadojifitidowez.pdf
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160bae06299c1b---julapizalexola.pdf
- http://primethailand.com/ckfinder/userfiles/files/14714336720.pdf
- http://kingbikeonline.com/images/upload/File/27991228520.pdf
- http://nickels.design/ckfinder/userfiles/files/kedinazibugibenunovivuv.pdf
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/160a6ff9c1d5cd---56421019294.pdf
- https://edusfera.pl/upload/file/koxilojowaxi.pdf
- https://sayurmateng.com/contents//files/poretokepol.pdf
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c4723eeed9---24793493704.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=css+enlarge+image
- 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_off0000d21f.bin19d25e1e99ce5b6c64df5cd9c2aa3114619d0bbc00812061a9ba5f6f2542904e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD21F | 10264 bytes |
font_01_sfnt_off0000e928.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE928 | 16792 bytes |
font_02_sfnt_off0001013a.bin59770dfb988f464e04a8b8d5eaaf29b15814e7f6156ee34be77e6d9d52b459da |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1013A | 16968 bytes |
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