MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many pointing to compromised WordPress sites and disposable domains, indicating a link farm designed to distribute malicious content or phish users. ClamAV and ML classifiers also flagged this PDF as malicious, specifically as a phishing trojan. No scripts were extracted, but the structure and URL analysis strongly suggest a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://zgkimsteszew.pl/img/upload/files/wijujiwin.pdf In PDF document text
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8b5a898674---luzifeluvon.pdfIn PDF document text
- http://signexpowholesale.com/project-new/christianbook/upload_images/file/15510076988.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077461646002---widumisivefawowon.pdfIn PDF document text
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/fb84fbb451898573f4ecf7fb4c7d1cf9/21026717707.pdfIn PDF document text
- http://architects-desk.com/uploadsfile/41722920071.pdfIn PDF document text
- http://thepokeluau.com/uploads/files/22482048044.pdfIn PDF document text
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb98a35e140---7837733864.pdfIn PDF document text
- http://capitaloffice.pl/fotki/file/tumavevinejowixizi.pdfIn PDF document text
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160f08c2653220---mesuf.pdfIn PDF document text
- http://brkvinc.com/userfiles/file/20404280529.pdfIn PDF document text
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/31c11ceaecb4ad07f14bb6aa722bb697/pofowifune.pdfIn PDF document text
- http://desushibar.com/userfiles/file/timunanavixawenelimokulom.pdfIn PDF document text
- https://newtop-eg.com/userfiles/file/jolopetonidawaje.pdfIn PDF document text
- https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/0c8cec9bef7357ba07bbd4cf6709f25a/28209618768.pdfIn PDF document text
- http://inercial.es/uploads/files/taguvesoxo.pdfIn PDF document text
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/12230bd6948a16f5310e388dab36e75e/28216597819.pdfIn PDF document text
- http://kcde.kr/userfiles/file/jokitosegolefojem.pdfIn PDF document text
- http://alrabbancapital.com/file/files/59888646417.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/95a28c061c3a59d06083c6b08612ec7f/85014439036.pdfIn PDF document text
- http://www.aadhar-interior.com/userfiles/file/78384899380.pdfIn PDF document text
- https://songhongresort.com/img/files/97233100349.pdfIn PDF document text
- http://canavesiobruno-architetti.it/userfiles/files/jalunederomika.pdfIn PDF document text
- https://htlexpress.com/ckfinder/userfiles/files/lekudapukoxitagezusuti.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=agricultural+science+grade+12+notes+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_off0000ea57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA57 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001026e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1026E | 11048 bytes |
SHA-256: 12795d4cc2b068e96e7424367e447ef164cd8e649808331d7de88bf5959b8fba |
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font_02_sfnt_off00011c2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C2C | 17104 bytes |
SHA-256: ff3a8832a8a67e3aab4b7ea04d2affe5716b4df60a33f73e3b386dfccc99154d |
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