Malicious PDF — malware analysis report

Static analysis result for SHA-256 206456b2751712da…

MALICIOUS

PDF

81.7 KB Created: 2021-03-06 18:36:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-20
MD5: 015095e78fa2a3ba9d994b3a58ea1c8b SHA-1: f95b3e615405b7b8048d5eed82f3dc74b1fbd6c8 SHA-256: 206456b2751712daea27f88923653317904c22e338a3fb98316d8a96b581d0b0
126 Risk Score

Malware Insights

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

The PDF contains numerous embedded URLs, many pointing to disposable hosting services, and is flagged by ML classifiers and ClamAV as malicious. The document body, though heavily obfuscated, suggests a lure related to a 'purpled texture pack', a common social engineering tactic to entice users to click malicious links. The presence of external URIs and link farm heuristics indicates an attempt to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small 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.
  • 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://vilenefex.ru/wix?keyword=purpled+texture+pack+1.16 PDF link annotation
    • http://sutivetowit.mypressonline.com/39072814859.pdfIn PDF document text
    • https://wejolizamu.weebly.com/uploads/1/3/4/7/134766198/pimek.pdfIn PDF document text
    • http://nesebonuvobeju.getenjoyment.net/58695097406.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4494138/normal_603ad094c3c56.pdfIn PDF document text
    • http://gejesixave.scienceontheweb.net/cannot_connect_jbl_flip_3_to_laptop.pdfIn PDF document text
    • https://bofewake.weebly.com/uploads/1/3/4/6/134695903/meduras.pdfIn PDF document text
    • https://vigekajabaka.weebly.com/uploads/1/3/4/7/134708837/zenemitubuf_nizaketimu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383804/normal_5fea2c3c2cde5.pdfIn PDF document text
    • https://nudiwosesi.weebly.com/uploads/1/3/4/3/134317077/7964634.pdfIn PDF document text
    • http://bopolubolef.mywebcommunity.org/puwiwagivolixa.pdfIn PDF document text
    • https://cdn.sqhk.co/femelofep/bgiig2O/miralax_side_effects_behavior.pdfIn PDF document text
    • https://cdn.sqhk.co/nipigagavadu/ayiiOgd/52597515194.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379355/normal_5ffb51e65b11d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369183/normal_6004de4a45322.pdfIn PDF document text
    • https://cdn.sqhk.co/runolisor/hSIooON/kugigosedolape.pdfIn PDF document text
    • https://cdn.sqhk.co/gidetixi/4ibsgfz/sifusejupogosegamiki.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4498997/normal_6032b8178aa06.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4389074/normal_600e4963d9a45.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408176/normal_603d1574ac98f.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://lokimutopilar.epizy.com/xasurutinajude.pdfIn PDF document text
    • http://rewogaki.rf.gd/pikojatevoxuvemow.pdfIn PDF document text
    • http://xodolipifonabo.epizy.com/xaleked.pdfIn PDF document text
    • http://wixarebetiz.epizy.com/65535868353.pdfIn PDF document text
    • http://pukilosik.epizy.com/small_business_plan_south_africa.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000103a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x103A8 5260 bytes
SHA-256: 77379f21ea5433025635cb4d3d89b836e67cf93e27c302839086980387a6d0af
font_01_sfnt_off000115a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x115A1 10424 bytes
SHA-256: 1030774fdb5b1f49c1dc4369ecb1f1f7a93bbb480e101cc6bc4e73906c2dc2bc

Open this report in the interactive analyzer, or submit your own file for analysis.