MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external URLs, many hosted on compromised CMS upload directories. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and URL analysis strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://zegabilisim.com/calisma2/files/uploads/66823541423.pdf
- https://agrolliance.ca/ckfinder/userfiles/files/wunof.pdf
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/16079df096d6f0---92055669828.pdf
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160860abc3adbd---93010833073.pdf
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091146078581---gobovunu.pdf
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607cffd081909---52247135960.pdf
- http://fouladsazanco.com/Upload/file/91735612670.pdf
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160848e15897e3---78041744411.pdf
- https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/rmtuks9489pe2l04u05r0fkfhe/tuboli.pdf
- https://pousadamarazul.tur.br/wp-content/plugins/formcraft/file-upload/server/content/files/16080893a02728---53743034668.pdf
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/160792a3b2ef28---68163434826.pdf
- http://studionegro.net/userfiles/files/94535392277.pdf
- https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/bd848630eda4d27fccb026d2147e9d53/39429575714.pdf
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/3ed341c68d8f73dd35bd2fb97fd68760/vogugotilavawitez.pdf
- https://www.avantagesapp.com/uploads/files/beturesizivozuzan.pdf
- http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/c22647f04211b298cb0fcac337492be6/68358922644.pdf
- https://dollarplus98.com/images/upload/files/57043934491.pdf
- http://creptiles.dk/userfiles/file/lagenekitifewu.pdf
- http://copingconversations.com/userfiles/file/kinofid.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607de83ab0c39---50217796443.pdf
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080e7ed6ca07---33107240450.pdf
- https://peterdegendt.be/file/93115812819.pdf
- https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/7q803frbppofc0t414htp0jus8/61831715771.pdf
- http://teusz.pl/UserFiles/file/sipoxixitulutegi.pdf
- http://karmand24.ir/basefile/ehotel724ir/files/50100588104.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=we+were+too+young
- 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_off0000f8cf.bin81428980bdccfe528f329c1a3243b7b805ebd26308856a1ad35e1d644c1745d2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8CF | 17008 bytes |
font_01_sfnt_off00012501.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12501 | 16792 bytes |
font_02_sfnt_off00013d18.bin5f3437564fbdae6a2f6edc98f5a6a6e1c5573713b6d83fae271e6a4b5f259db2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D18 | 10108 bytes |
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