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 0.9997
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://jumiwimov.ru/strik?utm_term=21+irrefutable+laws+of+leadership+summary+by+chapter PDF link annotation
- http://spainsale.pro/sap_services_for_objectw2w0f.pdfIn PDF document text
- http://myfavoritesun.xyz/dalutebipogiu8eqy.pdfIn PDF document text
- http://buylettersonline.com/mifuvubukabidonujilanijagljqu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://aa4de0c4-a7fb-47f6-97fe-5721705e71c1.filesusr.com/ugd/824332_b8d44aeb696c4bc3883f9da59c677dd2.pdf?index=trueIn PDF document text
- https://2a6c20f5-091f-48b5-a5be-bf749919b1f6.filesusr.com/ugd/3794ad_20b9922851734043ad778ec420e27257.pdf?index=trueIn PDF document text
- https://6bb2b61b-82bf-473b-8365-63ddb02ddbdd.filesusr.com/ugd/d55797_751fb299efea47f988c09fb7cdc14c20.pdf?index=trueIn PDF document text
- https://e082cb0d-9c22-4a21-acb7-e2c6127a51d3.filesusr.com/ugd/ff0c06_55b4bc995f2743fc96829c70886d4be9.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xisefowu/invitation_card_background_templates.pdfIn PDF document text
- https://68e1e3d4-268d-49bc-a8aa-b119cb10fea7.filesusr.com/ugd/3ceeb9_d523a16f9f3748e0ad83f9778c1431d9.pdf?index=trueIn PDF document text
- https://8eeb1f0a-0cdd-4c66-98a4-83777b49fb54.filesusr.com/ugd/64f9d2_ff4d63fcf11a46ceac50e3e36e64a82e.pdf?index=trueIn PDF document text
- https://c3a7a64c-5591-430b-94d7-c2eadfdf3523.filesusr.com/ugd/966478_a2f47aaf7bbb4318b57352475722330b.pdf?index=trueIn PDF document text
- https://5ce19dfa-329f-495d-88d1-e1e7834d9072.filesusr.com/ugd/d902bb_908c9743b2834cf9857380717b34758b.pdf?index=trueIn PDF document text
- https://cd70d4e5-4a1a-4071-96d1-f2415ea5ece1.filesusr.com/ugd/7f46b5_76c7046007e5434a876d6010c6ac60ef.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/bolovopizonuki/autocad_2018_gratis_italiano.pdfIn PDF document text
- https://78ee58ad-4251-4cb6-9d9e-6f806931ac90.filesusr.com/ugd/b6b4e8_9dbf0e325fb440ee97da194dc69c1806.pdf?index=trueIn PDF document text
- https://4407eba0-147d-4e9d-98ff-19010b67f466.filesusr.com/ugd/c1f2fd_89298f116cbf4659a5773ece93a4b5f2.pdf?index=trueIn PDF document text
- https://c5c27394-2042-4749-9b39-d1c24dcbd9f0.filesusr.com/ugd/e9b987_f1da3803131a4aaca5694be72d839ea7.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/susonanezaj/engineering_calculator_techniques.pdfIn PDF document text
- https://d52369c8-37f2-40d9-9d5f-d682b3b4a2e4.filesusr.com/ugd/6d5a7b_86ba8c5cde8a42d094014772d2c169fb.pdf?index=trueIn PDF document text
- https://cb0920a4-0dfc-4587-8161-bd3bf883b043.filesusr.com/ugd/df391a_48ab2b5101234b3da88378e389c60a28.pdf?index=trueIn 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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA04 | 5820 bytes |
SHA-256: 397f6660dd78f191ff6e6d3df9c7a212911dbbe78b13fcd137061b6bef73e761 |
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font_01_sfnt_off0000fdc0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDC0 | 11096 bytes |
SHA-256: 297b2ced5f772c0f549550fe996913ec19a323bf32cae264541771ce5453484d |
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