Malicious PDF — malware analysis report

Static analysis result for SHA-256 1a44a9a6ff4262cf…

MALICIOUS

PDF

64.0 KB Created: 2021-02-16 09:46:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 38ddf0bebb16dafc184421a8d6ca637e SHA-1: ec0eb8c6d41a4de27912cca8760c58032a8dfc2d SHA-256: 1a44a9a6ff4262cf4697dd0ffdbf98a8d3525dc20085acf5a8a52129000cd351
182 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains multiple embedded URLs, with at least one identified as a malicious redirector. The heuristic firings indicate it's a link farm on disposable hosting, designed to redirect users to malicious infrastructure. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9618

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://crophysi.ru/strik?utm_term=genie+2028+not+working In PDF document text
    • https://cdn.sqhk.co/numiwufeguv/X9jhQgL/85501489149.pdfIn PDF document text
    • http://bokifov.iblogger.org/pemolisis.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4457279/normal_5fd646418dd6b.pdfIn PDF document text
    • http://devgm.design/22572094812vbnj5.pdfIn PDF document text
    • http://biomaniix.website/e36_repair_manualo6hn2.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4499636/normal_5ff54d0e1d067.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4421215/normal_5feb8bf032c7a.pdfIn PDF document text
    • https://cdn.sqhk.co/wuvexudid/hhgijcX/73885408967.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373004/normal_5fe6a280022ea.pdfIn PDF document text
    • http://pidivumik.22web.org/37528262201.pdfIn PDF document text
    • http://websporizle4.com/miseluvutap3oiz.pdfIn PDF document text
    • https://s3.amazonaws.com/rovikibixu/ruribodegakasufiguzobi.pdfIn PDF document text
    • http://gamuxazibosiko.rf.gd/xawefimasafekisidaxug.pdfIn PDF document text
    • http://sipariwemarisu.rf.gd/driver_canon_ip2770_for_macbook.pdfIn PDF document text
    • http://zemoxatovasoga.rf.gd/2503300542.pdfIn PDF document text
    • http://nemebikox.epizy.com/bein_sports_tv_guide_rugby.pdfIn PDF document text
    • http://wufalejopasedor.epizy.com/chirkut_band_new_song.pdfIn PDF document text
    • https://s3.amazonaws.com/muwomapotumugi/bumblebee_car_model_transformers_4.pdfIn PDF document text
    • https://s3.amazonaws.com/tevomenil/corrugated_plastic_roofing_sheets_ebay.pdfIn PDF document text

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