Malicious PDF — malware analysis report

Static analysis result for SHA-256 bd6dd17a73dc3e2a…

MALICIOUS

PDF

69.6 KB Created: 2021-04-25 01:37:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a325bad81255ae4603ec6198adb339e8 SHA-1: d09345e1e86eece57b44e90867ab8938ea647e67 SHA-256: bd6dd17a73dc3e2a724d8e69277ab1ea4b13204afb304e0812371ecd2a5b22be
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains an embedded URL that redirects to a suspicious domain, likely intended to host malicious content or phishing pages. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest an attempt to exploit users by presenting a deceptive lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The 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.
  • Embedded URL info EMBEDDED_URL
    One 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://xezojetit.ru/strik?utm_term=craftsman+6.0+gold+lawn+mower+spark+plug
    • https://gafanobekifin.weebly.com/uploads/1/3/4/7/134768645/0440d1f4.pdf
    • https://mitenipup.weebly.com/uploads/1/3/4/3/134363071/8887bb5ba93ebed.pdf
    • https://cdn-cms.f-static.net/uploads/4384464/normal_602c334a63695.pdf
    • https://cdn-cms.f-static.net/uploads/4456685/normal_601bf9ea88343.pdf
    • https://cdn-cms.f-static.net/uploads/4470389/normal_602e715a5f5d6.pdf
    • http://gugudavi.22web.org/placental_barrier.pdf
    • https://cdn-cms.f-static.net/uploads/4382618/normal_606e9598b26d1.pdf
    • https://cdn-cms.f-static.net/uploads/4450047/normal_606e99d7b3fa1.pdf
    • https://static.s123-cdn-static.com/uploads/4500001/normal_5ff344ae94d87.pdf
    • https://static.s123-cdn-static.com/uploads/4374188/normal_5fe179dc280b2.pdf
    • https://vujezogovi.weebly.com/uploads/1/3/5/3/135348950/tutonololof-naxegupama-xivejipikufoju-sasekox.pdf
    • https://cdn-cms.f-static.net/uploads/4490266/normal_5fda8cd4691ed.pdf
    • http://pirikulifiwitif.iblogger.org/shrimad_bhagavad_geeta_in_bengali.pdf
    • http://xekepova.iblogger.org/49612717870.pdf
    • https://cdn-cms.f-static.net/uploads/4407086/normal_602605a7311bd.pdf
    • http://jabisoj.22web.org/manual_del_biomagnetismo.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://nuboguvulasof.rf.gd/telojomorakatinobukep.pdf
    • https://746420f6-3007-491b-ba72-fd43be5094e5.filesusr.com/ugd/277b62_b74b24c2e20a42c2bc28022fe9a29aef.pdf?index=true
    • https://6cbe2f5c-748b-4bc6-b691-25a968a47885.filesusr.com/ugd/d6b5da_d93bc029b5fd4dffaeaee60b3bb5843c.pdf?index=true
    • https://uploads.strikinglycdn.com/files/d875b825-e4a8-46a3-9e87-0b33d6ea665c/lasamukijebaduvuj.pdf
    • https://527ed197-5826-4432-9c89-449afa9d705e.filesusr.com/ugd/65ef70_1862fabea2684bb9b4eac2bb1535f05c.pdf?index=true
    • https://c064424b-11a8-4e39-a524-24a74bcd733d.filesusr.com/ugd/54e393_66df3d7435ea47d08bcc81a68a515d2b.pdf?index=true
    • https://uploads.strikinglycdn.com/files/a473b9e4-3b55-4636-b045-2b0af0e73796/8618743406.pdf
    • https://8b5ac0f3-2bc4-49a6-9a99-2541af31b215.filesusr.com/ugd/f2ef67_1804081e214547edb0cf15d1983d664a.pdf?index=true
    • https://uploads.strikinglycdn.com/files/6eeb6cf9-6533-4825-b74b-13bb4e95b8d6/1001_albums_you_must_hear_before_you_die_complete_list.pdf
    • 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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d460.bin
8fabfbc0cc255ff49c616f90c41fd381457e1566619eb4fc40073c0e6bd222a7		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD460 5748 bytes
font_01_sfnt_off0000e7f9.bin
2ec8e09429627cceb7fe23233f24d1200521be5effb39f49c3ed15dffb7a7ecb		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE7F9 9504 bytes

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