MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to other PDF files hosted on compromised websites, indicating a link farm designed to distribute malicious content. The ClamAV detection and ML classifier strongly suggest a phishing or trojan payload. The file's structure and link farm behavior align with common tactics for distributing malware or conducting phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://servmed.net/userfiles/file/83469144407.pdf
- http://shsclassof1959.com/clients/a/a7/a7a82b2a6025f7fafce5d77be70bf845/File/wujokubib.pdf
- https://poolpoint.be/uploads/file/vevuj.pdf
- http://beateromer.com/bilder/file/71273518856.pdf
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a14055b72a9---91978601995.pdf
- https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/c98b087076c333e56d12a356d646cbb1/8182423004.pdf
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/1bf3813fe7791a1a9421d561870b6ab7/dozumusevawofodemevexog.pdf
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dddaf3c379---92055400435.pdf
- https://godparents4tz.org/home/god/public_html/ckfinder/userfiles/files/woxikebupelufilonejug.pdf
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/6ee8faab81e4a712a7e6877b7d6d628b/zopatugax.pdf
- http://bannermaul.com/userData/board/file/rovamuxevu.pdf
- https://varbackaforskola.se/ckfinder/userfiles/files/6296211999.pdf
- https://atraba-holding.com/userfiles/file/bibewigagogaduji.pdf
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b69d1993d7d---zodubaxikenosatawonutarot.pdf
- http://lyzebrno.cz/userfiles/file/bivigikubojidodekiwosi.pdf
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c100880515d---54235895333.pdf
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d17d147d64---79015977783.pdf
- http://murasakijr.com/uploads/files/sipumedogax.pdf
- http://refpecsbelvaros.hu/kepek/files/35334841538.pdf
- https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/ck83hmijskjcbc3tuqqiqnsus7/pumar.pdf
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d4ea18ac70b---13752805919.pdf
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/a40a7b7c66ddee1c69e6429eae51fda7/lukatef.pdf
- http://kme-kme.cz/files/file/2169984692.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=how+many+countries+speak+english
- http://e1pl2.nazwa.pl/busy/fotki/file/geretejemiwizajozukipu.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_off0000f0fb.bin24f9acc6244269bebffbdac1dbb2a603374d7210103ee36d96f1f10e97679915 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0FB | 11204 bytes |
font_01_sfnt_off00010b0f.bin250380681c8e4d1eb2be03efd714f26e53f5a431337698f74508cb1dc4ea716e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B0F | 17792 bytes |
font_02_sfnt_off000138ed.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138ED | 16792 bytes |
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