MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The file contains a link farm pointing to compromised WordPress upload directories, suggesting it's used to redirect users to malicious content. The presence of numerous unknown URLs further supports its role as a distribution or phishing vector.
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://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16072fb957497b---nugovitixifimiwoforurivur.pdf In PDF document text
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/ab1a66072b13c39050a8c3fe74820dac/10437443854.pdfIn PDF document text
- http://www.aqsclimited.com/EditorImages/file/68660967195.pdfIn PDF document text
- http://domeinbeverdonk.be/assets/files/file/9131154891.pdfIn PDF document text
- http://ray-king67reunion.com/clients/41562/File/44595268254.pdfIn PDF document text
- http://clinical-pain.com/pds/userfiles/files/zirepapupenilivo.pdfIn PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b46d9f1b802---welibivovafib.pdfIn PDF document text
- https://www.tanyadantus.com/wp-content/plugins/super-forms/uploads/php/files/244cdd911c3eeb2576577bfba960e237/roxisivubuxakilisivowuxuf.pdfIn PDF document text
- http://murphysbeads.com/clients/54316/File/61179561699.pdfIn PDF document text
- https://ohcsi.com/ckfinder/userfiles/files/12607110462.pdfIn PDF document text
- https://cls-toronto.com/wp-content/plugins/super-forms/uploads/php/files/a2dc989866a538bad25f027f634d1639/32620105263.pdfIn PDF document text
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/5f5907766da0c7826657d0dd2e5fd8db/37938121647.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c5174f05e8---8126685677.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160c7b53b5e007---rudurukaveburevarurom.pdfIn PDF document text
- http://burragebrothers.net/demo/jolie/beta/userfiles/files/32162008617.pdfIn PDF document text
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/ejfpne0gp4s27o4osiefq75jnf/42805689006.pdfIn PDF document text
- http://aroma--style.net/files/files/9508521097.pdfIn PDF document text
- http://nhadatv.com/webroot/img/files/94498269958.pdfIn PDF document text
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd3bfadeba---vomabuwasojadexodapa.pdfIn PDF document text
- http://firmykominkowe.pl/Obrazki/edytor/file/45852107059.pdfIn PDF document text
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/8a4f5d855c5f228d4c07c8aed1a62176/29116050743.pdfIn PDF document text
- http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/tgvnpvatceot3sticq05fe4h0v/zitudejisuvunolelupapa.pdfIn PDF document text
- http://www.vikingmaterials.com/img/famevujiduzagiginixux.pdfIn PDF document text
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160ab1a8230e29---70035024398.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+save+one+sheet+in+excel+as+pdfPDF 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_off0000ed03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED03 | 17124 bytes |
SHA-256: 5a8b168601380e2fb6d4ff6754b0cf8f99840314f5320a78730c0bb642ca5926 |
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font_01_sfnt_off00011994.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11994 | 10860 bytes |
SHA-256: bcfe809c4602b223c094f011f8e55e579fab05127c966f95a89d931f35d58991 |
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font_02_sfnt_off000132a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132A0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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