Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d1136a40415f870…

MALICIOUS

PDF

162.1 KB Created: 2020-11-20 10:20:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 21e4c4c997f7621a9bf98b5c14e0140e SHA-1: bd764bd7b02e0a660e1cab80bcc67c2268154ad8 SHA-256: 0d1136a40415f8701a378af28f0b4fe6556b42fb128aee5239f70e8198705d71
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF contains an embedded URI pointing to a URL that appears to be a lure for downloading a file related to '48 laws of power'. ClamAV and ML classifiers have identified this PDF as malicious, specifically as a phishing trojan. The presence of external URIs suggests an attempt to redirect the user to a malicious site or download a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://traffnew.ru/123?utm_term=48+laws+of+power+full+pdf PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4410013/normal_5faa650261db2.pdfIn PDF document text
    • https://biduvokiket.weebly.com/uploads/1/3/4/3/134367510/kilowuzom.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4419430/normal_5fa529da406fb.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369663/normal_5fb2dbe7d75de.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4474985/normal_5faf473c75794.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409098/normal_5f9adfa457590.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366976/normal_5f911124e706b.pdfIn PDF document text
    • https://bewupoterefi.weebly.com/uploads/1/3/1/3/131380107/813855.pdfIn PDF document text
    • https://fiwuvoreguno.weebly.com/uploads/1/3/4/0/134000104/jegumalutoxe.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366957/normal_5f88e8d6d53a9.pdfIn PDF document text
    • https://megoximigiwuboz.weebly.com/uploads/1/3/4/5/134579220/2800758.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/wibedubosateg/saxigugitug.pdfIn PDF document text
    • https://s3.amazonaws.com/ruzumeb/brother_hl-2240_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c5318ed8-dabb-4cb8-a89b-cbd5aa14acf8/gulomatiridanutiwesajonan.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f57ec1a8-b064-4aa1-ad40-68c3535065d5/target_executive_team_leader.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000231ff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x231FF 4960 bytes
SHA-256: af491cab3e362ac081a8f58de3aa8ceb4f5547ecb92ddeb05c672ac177cf1294
font_01_sfnt_off000242fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x242FC 12516 bytes
SHA-256: 756a1118e7fcb1d56b0e071e88677604b6173baea8c78ab64d5f6c9345824913
font_02_sfnt_off00026b54.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x26B54 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

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