MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous embedded URLs that point to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure indicate an attempt to lure users into potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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 https://oniceh.ru/uplcv?utm_term=eight+sabbats+for+witches+pdf
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/9unvna5co6d00glrhffm5erefr/dixasu.pdf
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/1942419379cd1e0f381389e854f7b2e0/97898068399.pdf
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/0ummrvl1ujvl4temdte1ih5p6a/22518306675.pdf
- http://papinchess.ru/userfiles/file/16153712089.pdf
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16078e3f910bf8---sosim.pdf
- http://digitalpolicycouncil.com/imagenes/file/mafogeselaleliziku.pdf
- http://fitnessklub-impuls.pl/uploads/assets/file/62541947124.pdf
- http://stl-hk.net/userfiles/55343454522.pdf
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abd2b767fd3---pifudomakufafubiva.pdf
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160973f0c9ec99---zegusojum.pdf
- https://boumqueur-edition.com/upload/fckeditor/file/gasexij.pdf
- http://darec.sk/files/files/70589157725.pdf
- https://vnsteeldetailing.com/UserFiles/files/67896723834.pdf
- https://www.m2asolutions.com/wp-content/plugins/super-forms/uploads/php/files/c01b1e31a6d5e7e0d6efd42fbdc9883a/matusexek.pdf
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083045eeebd9---42196175740.pdf
- http://homeopathyhongkong.org/files/dufepemubiruvidu.pdf
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607392a6eda84---51412520086.pdf
- https://stijsr.com/userfiles/file/midaluzoforakabe.pdf
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/750adfa004bc6c34faed2cad72aba1a3/91082313730.pdf
- http://beiks.info/public/file/gozeku.pdf
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/5gog3qa2s9ijnubn59j41khvo4/taginelenewepakokokipitux.pdf
- https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/d0bd41c3a749b6a0d5589091a4f8410d/sexumiso.pdf
- https://manuscripthandler.com/userfiles/file/gexopasaninibunevaso.pdf
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/1hbnu195t0c7pkpj4mpr4mij7r/sakidarar.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_off0000e0ad.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0AD | 16792 bytes |
font_01_sfnt_off0000f8c4.bin8fb66c6f451dfaa267177bdbc1997c7b00e9cf3a27f37d28ddb9675729e19c3c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8C4 | 10960 bytes |
font_02_sfnt_off000111f8.bin4678ef0321fdb3568940d7c8ff194237a6529459d8ab95bb698e5381d99e8647 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111F8 | 17836 bytes |
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