Malicious PDF — malware analysis report

Static analysis result for SHA-256 a185760ef68f4739…

MALICIOUS

PDF

66.0 KB Created: 2020-12-16 20:40:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: c012cddf93ced26062b4f03695b20b37 SHA-1: 2982551ee44cdeb31c4a803d0a10a3dbaf7ab360 SHA-256: a185760ef68f4739f1466454486e7c67b305af7fd50cb87f5436fb7e7141fdf6
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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 external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://trafffe.ru/strik?utm_term=sunsetter+awning+manual PDF link annotation
    • https://pobunusegem.weebly.com/uploads/1/3/4/4/134460984/ramosavejel_babitami_tufoposibiw.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369773/normal_5f9b0212104f6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451750/normal_5fa1f130a0af8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387698/normal_5f8d04eb79d2f.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://static1.squarespace.com/static/5fc3c939bd14ff0dd2ae97c9/t/5fd098608f1ddd5ccbe0554b/1607506016786/likee_amapiano_dance_videos.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf5c484e98326c0207f827/1606376520683/viwelodanoxo.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc00c29085bf90c0ef85582/t/5fc275024e98326c02601268/1606579461753/roloduxoxadinub.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6a9f5fac-2ca2-40ca-b63e-a5fe8f0dc85d/stihl_wood_boss_028_av_parts.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc3d8d31452f90b7ff7981f/t/5fc42421e6d49a06bb14d9ea/1606689827173/virginia_colony_economy.pdfIn PDF document text
    • https://s3.amazonaws.com/bupaxomu/62210048152.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc06b0d2e537a05ef0695ba/t/5fc1f53608845d0924d03bbd/1606546744710/exploring_ethics_an_introductory_anthology_4th_edition_free.pdfIn PDF document text
    • https://s3.amazonaws.com/kigavanus/75897691148.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf686a2dd96f5918e741e3/1606379628030/city_green_book_summary.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 2

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c3f1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC3F1 5200 bytes
SHA-256: 1f219e200fd1c2e527a06f0c6ccbdd2a9c48dd067fd731c664a055e16627399e
font_01_sfnt_off0000d598.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD598 10700 bytes
SHA-256: 3bc8ca8c11d54143d4833e15c4aedc646e7fc3fa9d70f0b6052132b0d12790a4

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