MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains a large number of external links, many pointing to disposable domains, suggesting a link farm or phishing distribution scheme. The document body, though heavily obfuscated, contains references to wkhtmltopdf and a date, indicating it was likely generated programmatically to host these malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 6
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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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://jottigo.ru/strik?utm_term=is+it+ok+to+drive+with+a+squeaky+belt
- https://cdn.sqhk.co/mawejoxejobe/hca9foA/mapuralutunidara.pdf
- https://bovoladimuva.weebly.com/uploads/1/3/0/9/130970023/5a8b8b64f5b92c.pdf
- https://jixusalozexifan.weebly.com/uploads/1/3/1/4/131407855/buluz.pdf
- https://cdn-cms.f-static.net/uploads/4407562/normal_5fea040ccba72.pdf
- https://cdn.sqhk.co/netimupoxojo/BihccGY/88806165849.pdf
- https://cdn.sqhk.co/keximovib/djhZYge/helicopter_hands_dance.pdf
- https://wanesutilujat.weebly.com/uploads/1/3/4/8/134868149/5455960.pdf
- https://xexinujufametu.weebly.com/uploads/1/3/4/5/134502762/xeropujonewed.pdf
- https://cdn-cms.f-static.net/uploads/4486351/normal_601ab62f6cf41.pdf
- https://xijoxamapapi.weebly.com/uploads/1/3/4/3/134337958/fomovovusuwupavatij.pdf
- https://cdn.sqhk.co/vixawutozama/bifZkjh/banner_saga_2_review.pdf
- https://cdn-cms.f-static.net/uploads/4468530/normal_600e49b437b25.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://uploads.strikinglycdn.com/files/4333963a-fbdd-44bf-bc26-acd51b889108/how_to_start_ariens_compact_22_snowblower.pdf
- https://b9a4c3d6-4ccf-4d04-9b0f-c2e9c357e15d.filesusr.com/ugd/e5cbe5_fbbb3c33573a4be29d15f0b4cc26fafb.pdf?index=true
- https://uploads.strikinglycdn.com/files/2f53faa6-b5b5-493d-bcc3-8fadeb242294/37307560811.pdf
- https://621cd70f-1aca-46de-91df-1bd8162c3e90.filesusr.com/ugd/9f1ad6_2cd3a6a55a704e70ba798826d3dd52f9.pdf?index=true
- http://wuluzakasuw.epizy.com/aflao_brass_band_mp3_download.pdf
- http://livasesokod.epizy.com/26147661541.pdf
- https://uploads.strikinglycdn.com/files/76e507cd-0509-4541-a5c6-2616a0acab91/pci_express_ht2000_motherboard_manual.pdf
- https://8ab8d0a6-ebcf-4503-ac90-3c5d9a0926ce.filesusr.com/ugd/8585d4_d4a7c9e1a243462482d89cc6a434f778.pdf?index=true
- https://uploads.strikinglycdn.com/files/25c0e403-c465-4b4f-ad72-69adbaee6556/5614727701.pdf
- https://a8a2d6b8-6248-42a0-90a4-e25e421c2e59.filesusr.com/ugd/f63f29_1fc00d3888a24077a286da22df446359.pdf?index=true
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f51d.bina28fcc4ba65d8171a55e8b87d646ac5d1dd213f66ab2b0026fd39e5ca5d32d1a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF51D | 2900 bytes |
font_01_sfnt_off0000ff5f.bin5ad7c72400e0e55d66cb4b62695734ad1a3f23efc7c2afea66356ee72452bba1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF5F | 5212 bytes |
font_02_sfnt_off00011140.binf9e35240a603eeac77b6089f3d9621d3ef64bdc0a4e8c54816e465be86d20e8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11140 | 10528 bytes |
font_03_sfnt_off0001355e.bin9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1355E | 4324 bytes |
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