Malicious PDF — malware analysis report

Static analysis result for SHA-256 d5f0cc42cc2c6f05…

MALICIOUS

PDF

65.2 KB Created: 2021-06-02 18:19:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 571e9a9d584ee3da76a3d1beb28dca2e SHA-1: 9b938968d35b1cc9e1ad802a182c5cd3f1a10e2e SHA-256: d5f0cc42cc2c6f055772dcba9bfdf2709c1a0ac04b3be3de80e04f649985ceb8
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains an embedded URL that, when visited, likely leads to a malicious payload or phishing site. The document body, though heavily obfuscated, suggests a lure related to a 'Honeywell 6160v keypad manual'. No scripts were extracted, but the presence of external URIs and the overall detection profile strongly indicate a phishing or malware distribution attempt.

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://pixomot.ru/pbw?utm_term=honeywell+6160v+keypad+manual
    • https://cdn-cms.f-static.net/uploads/4446491/normal_60534157b750b.pdf
    • https://cdn-cms.f-static.net/uploads/4386081/normal_605ffc854301e.pdf
    • https://static.s123-cdn-static.com/uploads/4460460/normal_5fe42805baa40.pdf
    • https://static.s123-cdn-static.com/uploads/4365608/normal_60048a5066621.pdf
    • https://suxapenogabako.weebly.com/uploads/1/3/4/6/134602080/8447924.pdf
    • https://kavibugu.weebly.com/uploads/1/3/4/9/134902942/6069447.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/0f19bc33-e972-498e-a853-d6001db33a78/iomega_storcenter_ix2_manual_dutch.pdf
    • http://nerobedevu.pbworks.com/w/file/fetch/144468399/how_to_access_menu_on_vizio_tv_without_remote.pdf
    • http://lopofemusun.pbworks.com/w/file/fetch/144503766/cfa_level_2_syllabus_2020.pdf
    • https://uploads.strikinglycdn.com/files/18caa04d-3b3f-4689-8c07-ada7fc9a94d7/laxurowaloxalugiger.pdf
    • https://uploads.strikinglycdn.com/files/d310cffa-6e17-4c02-a6ea-3a2448ce6065/saxon_math_course_2_answer_key.pdf
    • http://wuwazilizos.pbworks.com/w/file/fetch/144425859/noretakikinaj.pdf
    • http://zepadatoju.pbworks.com/w/file/fetch/144428886/35762678790.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_off0000c1ff.bin
9f9a94b582dc840bb8abc4ded71e1f91c0cbb513620badcd8c75c906c75ab6ef
pdf-font-stream PDF embedded font (sfnt) at offset 0xC1FF 5460 bytes
font_01_sfnt_off0000d4a7.bin
5aa616d8a5fe71291ebcffe5202a7527d95fea8ef90de4a8dd5467bf0a67e3cd
pdf-font-stream PDF embedded font (sfnt) at offset 0xD4A7 10468 bytes