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 links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The primary attack pattern involves luring users through these links, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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://mobiliteit.nu/files/mubulupo.pdf In PDF document text
- https://fwullong.com/upfiles/editor/files/dobawosivoxeminuwes.pdfIn PDF document text
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bacebb26488---xiwawo.pdfIn PDF document text
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609e6c000f83e---89830409730.pdfIn PDF document text
- https://dudikom.pl/userfiles/file/97825262123.pdfIn PDF document text
- https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/6u0jlr27q9fi1hs30k5k8fog67/13966947582.pdfIn PDF document text
- https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/e8e4e4813b7667b7fbd752cea2e19464/72763619547.pdfIn PDF document text
- http://perila-vrn.ru/userfiles/file/xubuden.pdfIn PDF document text
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/7da09b9766849be335ffa68f3a6fd7e3/serilepivujunizaje.pdfIn PDF document text
- https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/e13ea909314413184cb5e8b766dc73a4/xazenan.pdfIn PDF document text
- http://crystaltrade.hu/data/file/10325577106.pdfIn PDF document text
- http://ordineveterinarivenezia.eu/userfiles/files/26588906179.pdfIn PDF document text
- http://brandweeramsterdamamstellanden.nl/userfiles/file/wufinunenunokikevanutet.pdfIn PDF document text
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/ir9lhesgucu9kco2nv2983sp1v/46928321629.pdfIn PDF document text
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/mpk51mlde0gkbqroihequ5jnf3/52590157213.pdfIn PDF document text
- http://vistobrasil.net/uploads/file/rezulugoderetexenoni.pdfIn PDF document text
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/a0a96a38b2953d3d2136dba852f5a6b9/parimizifimozigawiwa.pdfIn PDF document text
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c47c0c4bc02---rufif.pdfIn PDF document text
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/16111851f826a2---99215708205.pdfIn PDF document text
- https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/mcgg4p257q6o5ma2r0i149s892/69421012576.pdfIn PDF document text
- https://rrr71.ru/upload_picture/zatedukuf.pdfIn PDF document text
- http://aan.kz/ckfinder/userfiles/files/30418214236.pdfIn PDF document text
- http://soluzionebenessere.eu/userfiles/files/17058904331.pdfIn PDF document text
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160c8ee5d70bac---witidumudemixivabimijeb.pdfIn PDF document text
- http://prota.ru/upload/files/3792428231.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=how+to+tell+if+engine+is+2+stroke+or+4+strokePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d6fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6FD | 16772 bytes |
SHA-256: b306243cdb37b766b0f881b77c03ef34eab8b9e5f9ae52a0369b311d48280dcd |
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font_01_sfnt_off0001029e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1029E | 10592 bytes |
SHA-256: 41f9c9b9210f45b408cdbfb8f821b9df1d832b8cb8234d2c5a4b3a6faf24bcac |
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font_02_sfnt_off00011b09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B09 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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