Malicious PDF — malware analysis report

Static analysis result for SHA-256 39d59aa8646279de…

MALICIOUS

PDF

44.9 KB Created: 2021-02-24 20:04:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 02066a6529be575f5d81056fa746e122 SHA-1: 43869f6b637382ddc832d13f5ad24c26fc0d11a7 SHA-256: 39d59aa8646279de8f9461b832a7976574c0a7f45eac593e352a80705946602c
182 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded URLs, with at least one identified as a malicious redirector. The heuristic firings indicate the PDF is designed as a link farm on disposable hosting, aiming to direct users to malicious content. While no scripts were extracted, the overall structure and URL analysis strongly suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9327

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/award?keyword=the+power+of+doing+less+pdf+download+free In PDF document text
    • http://trells.space/jojifuwabonexitogoxikam9842r.pdfIn PDF document text
    • http://ttttrrrr.space/watch_rupauls_drag_race_season_8twpdu.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4464702/normal_6005750e8a72a.pdfIn PDF document text
    • http://letilemugemin.66ghz.com/52640120252.pdfIn PDF document text
    • http://carbackseat.site/regular_and_irregular_verbs_list_with_meaning1th1u.pdfIn PDF document text
    • http://doucheop.xyz/gonoruwabuzobadilijililagks2n.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4481667/normal_5fecc61e818bb.pdfIn PDF document text
    • http://natiral.space/gothic_calligraphy_worksheetsuu7i5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4488116/normal_602ea12c491c1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4497356/normal_600a058b8445a.pdfIn PDF document text
    • https://s3.amazonaws.com/leteraxewe/9th_circuit_court_of_appeals_form_8.pdfIn PDF document text
    • https://s3.amazonaws.com/liwafo/candy_crush_hack_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/gezetega/commando_3_full_version.pdfIn PDF document text
    • https://s3.amazonaws.com/mizeteb/live_3d_tiger_photos.pdfIn PDF document text
    • https://s3.amazonaws.com/wexoteluwag/canchild_concussion_guidelines.pdfIn PDF document text
    • https://s3.amazonaws.com/pusixa/icao_annex_15.pdfIn PDF document text