MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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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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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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://seumenha.ru/strik?utm_term=ashrae+handbooks+for+sale PDF link annotation
- http://goossyy.online/what_is_set_relation_and_functionwk19s.pdfIn PDF document text
- http://italiahot.fun/noparananifupej12op.pdfIn PDF document text
- https://loputoporebile.weebly.com/uploads/1/3/4/8/134847610/a3c02dd894ed9.pdfIn PDF document text
- https://cdn.sqhk.co/gapobuzijiru/gTNTkcU/free_adobe_illustrator_catalog_templates.pdfIn PDF document text
- https://cdn.sqhk.co/muwunupudi/Ehhhg7h/77775625821.pdfIn PDF document text
- http://cethq.xyz/vapafibosufanozisejefizgz5fa.pdfIn PDF document text
- https://cdn.sqhk.co/pozuwifofub/Yhiijjb/25094570097.pdfIn PDF document text
- http://guitar.su/nordictrack_1750_treadmill_instructionsqhat0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483388/normal_601910f1948ae.pdfIn PDF document text
- https://cdn.sqhk.co/mogizilo/18gezWZ/3566447833.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490736/normal_6045129a68a25.pdfIn PDF document text
- https://cdn.sqhk.co/fefuxumito/gjwhYii/facebook_app_installer_manager_android.pdfIn PDF document text
- http://iminn.ru/72346929348bjtc.pdfIn PDF document text
- http://sosed.market/how_to_learn_computer_programming_basics1f92c.pdfIn PDF document text
- http://medtechnika1.ru/58153806927u8514.pdfIn PDF document text
- http://vzruvayarttraff.xyz/pasixegem1w7g.pdfIn PDF document text
- https://dibirumozogu.weebly.com/uploads/1/3/4/6/134611192/c6ca460.pdfIn PDF document text
- http://okclub.org/150764366421l4mc.pdfIn PDF document text
- http://idealslim-italiaoficial.site/tugexedfwj9.pdfIn PDF document text
- https://gunarolapikomi.weebly.com/uploads/1/3/4/4/134442839/maguwunedamujexux.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/e955867a-d66e-440c-867a-fec4275a2ad5/microsoft_wireless_keyboard_2000_power_button.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2df45113-3d2d-4aca-b473-ca6268edf8ef/fusodegigesosiz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5c6c4dab-6adb-4789-ad58-8e3ad1375bbd/audi_s4_avant_occasion_suisse.pdfIn PDF document text
- 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://scripts.sil.org/OFLIn 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_off0000f713.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF713 | 5188 bytes |
SHA-256: 93b3bcc255cfc12fca7e90aa6901fcda82e1a9b952c108aa0719b99112d1c8d5 |
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font_01_sfnt_off000108b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108B0 | 11964 bytes |
SHA-256: 7436fcdbd2776afa1445f9d36f1d1d48d215c5ca14c61859d71b4be0514e1084 |
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font_02_sfnt_off000131a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131A0 | 16060 bytes |
SHA-256: 5b0d2701ab39d2f69c66d7d16c60d8db0b323aa0832947137e757b5401d27330 |
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