MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a malicious PDF detected by ClamAV as 'Pdf.Phishing.Trojan'. It contains numerous links to compromised websites, many of which are hosted on disposable domains or use SEO-related UTM parameters, suggesting a link farm designed to distribute malware. The presence of a 'download button' heuristic further supports the phishing and malware distribution intent. While no scripts were explicitly extracted, the PDF structure and URL patterns are indicative of a phishing campaign that likely attempts to exploit vulnerabilities or trick users into downloading a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://philabc.ru/uplcv?utm_term=train+to+busan+download+full+movie+in+tamil
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607e0ffb43163---6099534222.pdf
- https://hoalavender.net/upload/files/xemas.pdf
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/160801e4a0dae3---jukuruvulitusoliwepaluno.pdf
- http://xn----7sbakif2a3azdub.xn--p1ai/admin/ckfinder/userfiles/files/948423634.pdf
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/84bec3008f3a3f9ba2a144b7c481d1e4/wefalawodagezu.pdf
- http://achilleferolla.it/userfiles/files/62971971170.pdf
- https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/5e37271618e4389c4db5e09c3a2c07aa/4795894543.pdf
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160824ddb63a2c---kujimetifuvivu.pdf
- http://j-club.eu/userfiles/file/zosuxekeseramaxunuxutoko.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/gh8qes92l8l7bn5k75akv0b2pg/27099605254.pdf
- http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3d0361766b---ronipufetuj.pdf
- https://masterjobintl.com/ckfinder/userfiles/files/tanadubuvabizev.pdf
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/796a379a1179b57158f9af3dd148c7ef/babuwuxob.pdf
- http://travelport.pl/userfiles//file/98122383364.pdf
- https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/3a9a3537108f67caa8de678bc1821e9f/19608589165.pdf
- http://feynburg-uhren.de/uploads/39974092831.pdf
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160928d7486688---wujoxadivebu.pdf
- http://project-lovcen.me/userfiles/file/retuluw.pdf
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/53qfo8gphbd4qvapanl2e72kh4/dudos.pdf
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cfce2a8fc4---86722808538.pdf
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606c940861878---60523520139.pdf
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/1607940971ec3c---gamuzusu.pdf
- http://cityhelps.org/clients/6/61/61afa7a028a8e04f14432b0fece6f2b0/File/18521248772.pdf
- http://www.abcklima.hu//data/editorfile/38942009460.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_off0000ee8a.binf7c0787366c22160a30bcc391904ddd2d3969a0b89a717137d8e94a997b03c84 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE8A | 16568 bytes |
font_01_sfnt_off000119b0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119B0 | 16792 bytes |
font_02_sfnt_off000131c7.bin476b5d4eeed02b6c1eb6eecd3137840229dce2748eb751b7a93beaf3c14da971 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131C7 | 10868 bytes |
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