MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous embedded URLs, many of which point to potentially compromised websites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 https://pointvirgule.ca/upload/editor/file/bijep.pdf In PDF document text
- https://zold-kommando.hu/files/71733802941.pdfIn PDF document text
- http://gymostrov.org/gymostrov/userfiles/file/risamorimiper.pdfIn PDF document text
- http://fvv-hohenfelde.de/sites/default/files/files/7683612629.pdfIn PDF document text
- http://bayernglobal.de/userVZ/file/rafivezafakewivizubunogav.pdfIn PDF document text
- https://wecareprogram.org/images/file/leketelolavu.pdfIn PDF document text
- https://rimsball.com/ckfinder/userfiles/files/mekixomarutapolukab.pdfIn PDF document text
- http://ineke-ott.nl/keramiek-beelden-imagesfile/57308540070.pdfIn PDF document text
- https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/86osje0k19hkutttqf53hjo2kh/mijavabolijufunujezexejon.pdfIn PDF document text
- http://cravaluos.com/ckfinder/userfiles/files/zelelibutideb.pdfIn PDF document text
- http://naosgym.com/userfiles/files/panewatiso.pdfIn PDF document text
- http://banglatalkies.com/dynamic-images/cms/file/6840715058.pdfIn PDF document text
- https://africanresearchcenter.com/userfiles/file/jalisifuvepudezeniwi.pdfIn PDF document text
- https://begili.com/uploads/image/files/9387900702.pdfIn PDF document text
- http://alacarte-design.de/userfiles/file/5672728870.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/ca94734cbc3c8e7ca7e266afa9f9f16a/sagasopare.pdfIn PDF document text
- https://allcreaturesinc.com/files/files/22004738219.pdfIn PDF document text
- http://aklond.com/UploadFilesfile///2021050712270365.pdfIn PDF document text
- http://reutlinger.pl/userfiles/file/sabuwiresopilukusakosose.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/bc319cda971ed6e24a9da63a6302cfd9/94517047560.pdfIn PDF document text
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/6lbujpfoum6srqn68r4r2e0a75/29353766661.pdfIn PDF document text
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/160be4d3a4979b---3752585118.pdfIn PDF document text
- http://kbcsisa.com/upload/fckeditor/file/jiwoxivigakuzivexe.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=chess+game+tips+and+tricks+pdf+in+teluguPDF 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_off0000dc5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC5E | 17080 bytes |
SHA-256: d1d7061d8bdaab64bdca934797eb8f131fd34bc1bb528bfbbb60b3f034847673 |
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font_01_sfnt_off000108c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108C5 | 11172 bytes |
SHA-256: 88c1e7d6ac21822d2b04c243ae00279fc0c1f01dbf9e2c6f30fba172e7c6c38c |
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font_02_sfnt_off00012289.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12289 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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