MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised CMS upload storage and disposable hosting, suggesting a link farm designed for SEO poisoning or phishing. The document body is heavily obfuscated and unreadable, providing no direct user-facing content but reinforcing the nature of the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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 http://melvin.cz/data/91416455850.pdf In PDF document text
- http://www.naturhalles.fr/fckeditor/userfiles/file/dogesa.pdfIn PDF document text
- http://abyss.sk/userfiles/file/4935750945.pdfIn PDF document text
- http://a-daily.jp/app/webroot/contents_img/files/febofaxadekitasu.pdfIn PDF document text
- http://rtm-plus.ru/ckfinder/userfiles/files/vewawofutubuzunixipo.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/161414459bda5d---57110805356.pdfIn PDF document text
- http://membranekeyboard.pl/_data/file/livazuziwezerewavigaz.pdfIn PDF document text
- http://devison-matras.com/upload/file/jamebibovurobedalini.pdfIn PDF document text
- https://markiza-trade.ru/admin/ckfinder/userfiles/files/lafagozux.pdfIn PDF document text
- http://www.sname.org.tw/sname/ckfinder/userfiles/files/nipakubowoligiguv.pdfIn PDF document text
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/o9o9jd9dma70sl71je38i0fjnv/zezamavudigefodabuki.pdfIn PDF document text
- http://greenearthgardens.org/userfiles/60227020034.pdfIn PDF document text
- https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/ad578a9c9e9f9b123999ef35b603ad2e/vixajodegajenamokiwe.pdfIn PDF document text
- https://pjkconstruction.ca/images/file/devoj.pdfIn PDF document text
- http://enjoyisagenix.com/ckfinder/userfiles/files/megerogulul.pdfIn PDF document text
- https://cashcruis.ru/wp-content/plugins/super-forms/uploads/php/files/cfe9b8ecb72eb0977325229945a37ad4/1731814176.pdfIn PDF document text
- https://miltonmattox.com/userfiles/file/20117760953.pdfIn PDF document text
- http://tuhocxuatnhapkhau.com/uploads/ckfinder/files/jagesopofonalonazutivip.pdfIn PDF document text
- https://stallion-international.com/userfiles/file/1474425598.pdfIn PDF document text
- http://cl-metalparts.com/d/files/12373900770.pdfIn PDF document text
- http://cauthangdep24h.com/upload/files/tuwironibixinumiruxapu.pdfIn PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c7d69cac1e---97176021420.pdfIn PDF document text
- https://beaszemin.com/files/nojagudaminebobesizeribud.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=vadakkumnathan+mp3+songs+downloadPDF 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_off0000b6b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6B8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ceca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCECA | 15696 bytes |
SHA-256: 14df1278551bd6bb5278182081aad73ab5ab6e3327666fa2407b3c665ca8a9e4 |
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font_02_sfnt_off0000f6f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6F0 | 10936 bytes |
SHA-256: 2d43f90ea9869da868e7acbdd6f26e00fe95636bca45492260f1067881c15254 |
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