MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs pointing to a link farm, suggesting a phishing or SEO poisoning attack. The `PDF_SEO_DISPOSABLE_LINK_FARM` heuristic further supports this, indicating the PDF is part of a network of disposable hosting for link distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 5
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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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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://runhouchem.com/upload/files/ketizagikoripofekakivizo.pdf In PDF document text
- https://tailormade-sales-marketing.com/userfiles/file/73497118180.pdfIn PDF document text
- http://namuvaldymas.lt/userfiles/file/41880108203.pdfIn PDF document text
- http://suachuadienlanhhoaphat.com/hinhanh_fckeditor/file/78723770735.pdfIn PDF document text
- https://www.luthier-auxerre.fr/ckfinder/userfiles/files/98148604136.pdfIn PDF document text
- https://99shayari.in/userfiles/files/rozubuzububebinidupoma.pdfIn PDF document text
- http://jcnjl.com/userfiles/files/rijoletidit.pdfIn PDF document text
- http://ideviceplus.be/app/webroot/files/userfiles/files/napiverorasojowa.pdfIn PDF document text
- https://clubkdo.fr/img/pics/files/66117477417.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/0617210301609b541eaedf5e0c92eb44/jowibewuxuxuro.pdfIn PDF document text
- https://dhesient.com/media/nodotimopilubetesowi.pdfIn PDF document text
- https://thietkeweblongan.com/upload/files/31587440593.pdfIn PDF document text
- http://stringladies.cz/userfiles/68719212061.pdfIn PDF document text
- https://habibitours.com/ckfinder/userfiles/files/zejesapiregukibi.pdfIn PDF document text
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/161442d6aeecc3---medatasamel.pdfIn PDF document text
- http://inter-travel.hu/_user/file/wanotadulakir.pdfIn PDF document text
- https://deltarents.com/upload/ckfinder/files/27045901496.pdfIn PDF document text
- http://tandartsindex.nl/images/uploads/19151852371.pdfIn PDF document text
- http://tydafa.com/dafa/uploadfiles/20210911145050.pdfIn PDF document text
- http://matonaklawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jununulutokalekuviginixat.pdfIn PDF document text
- https://korovin.org/site/img_ufiles/sexufikadowenabage.pdfIn PDF document text
- http://netmutum.com/userfiles/file/7390909012.pdfIn PDF document text
- https://sergiomauri.com/images/file/99655064666.pdfIn PDF document text
- https://maytinhdalat.vn/images/uploads/files/12805233411.pdfIn PDF document text
- http://tochalco.com/uploads/files/wagulujevomitomeme.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=fahrenheit+451+figurative+language+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_off0000b607.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB607 | 15812 bytes |
SHA-256: 2cdcccfad33ea6713381838138f6d6f9b75114f09d3546cd30de9e9a5cfe2ecc |
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font_01_sfnt_off0000dd99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD99 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f5b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5B0 | 10896 bytes |
SHA-256: 1245ce73f34a9d41d0ebd34c1e8013a6a6a7243a2c1f09144f0f7d6f3d373263 |
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