Malicious PDF — malware analysis report

Static analysis result for SHA-256 e86de82d65351c88…

MALICIOUS

PDF

117.8 KB Created: 2021-01-20 08:01:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: c062eb71f0ed4b9859fddb1e426972ee SHA-1: a912448164504d9c7789fc389bbc6969722789c8 SHA-256: e86de82d65351c888720eb6145f7706bcc315ec067f0b6000d67c6d85f4814e0
134 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a phishing attempt. The heuristic 'SE_URGENCY_LURE' suggests the document uses urgent language to prompt user interaction. The presence of numerous external URIs, including one pointing to 'traffine.ru', indicates the likely intent is to redirect the user to a malicious site for credential harvesting or further payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://traffine.ru/123?utm_term=moore+haven+fl+directions PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4457311/normal_5fb5c1f93b223.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4445871/normal_5feb97fd1bf81.pdfIn PDF document text
    • https://site-1168507.mozfiles.com/files/1168507/zokedupebezusag.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4447916/normal_5fe3b2d27d8b6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403429/normal_5f997a363d72b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369909/normal_5fb364bd3e4b3.pdfIn PDF document text
    • https://site-1171372.mozfiles.com/files/1171372/condado_tacos_butler_street_pittsburgh_pa.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4496225/normal_5fc189afab82c.pdfIn PDF document text
    • https://cdn.sqhk.co/kejofuvata/dSPAjfr/rexazitadipujorakorijutox.pdfIn PDF document text
    • https://site-1252715.mozfiles.com/files/1252715/ball_blast_voodoo_mod_apk_free.pdfIn PDF document text
    • https://site-1199973.mozfiles.com/files/1199973/edtpa_lesson_plan_template_special_education.pdfIn PDF document text
    • https://cdn.sqhk.co/wapadofiwe/hijvTWt/how_to_make_a_spinning_top_with_string.pdfIn PDF document text
    • https://cdn.sqhk.co/bezorufuv/kgfmmgi/cracker_barrel_store_near_me.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://kusofiwu.epizy.com/kigizinetakoj.pdfIn PDF document text
    • http://rawuwad.epizy.com/83740649324.pdfIn PDF document text
    • http://jumezasaguruwu.epizy.com/24531831013.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_off00019381.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x19381 5172 bytes
SHA-256: ae28a689bf4700e30d2196b447c063adeb8c7ed09b8204030c050aa3120df344
font_01_sfnt_off0001a52a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1A52A 11128 bytes
SHA-256: 750eb19391218e3911d3105f31f4e2910b4b26257a1482d0bfb1fd4c55e179c7

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