Malicious PDF — malware analysis report

Static analysis result for SHA-256 8fad4c26ffb0320f…

MALICIOUS

PDF

49.0 KB Created: 2021-03-16 15:25:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 4d1ee7f76d1e1340c66491cea8232188 SHA-1: 95d2dc2d05d9e49b4678a7f90de9b698466969cb SHA-256: 8fad4c26ffb0320f785c843ff70d83b459cd07ec76ae126619dfe83e6b6e9fea
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The presence of numerous external URIs, many pointing to disposable hosting, suggests a link farm designed to redirect users to malicious content. The ML classifier also indicated a high probability of maliciousness. While no scripts were explicitly extracted, the PDF structure and embedded URIs strongly suggest it's part of a phishing or malware distribution campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7510

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
  • 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
  • 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://xajibur.ru/award?keyword=biblia+reina+valera+gomez+2020+pdf PDF link annotation
    • http://novazeku.mygamesonline.org/58054920903.pdfIn PDF document text
    • https://cdn.sqhk.co/titabofasika/Fgdjjjd/1064310046.pdfIn PDF document text
    • http://edevletorg.com/curse_of_the_werewolves_full_apko639g.pdfIn PDF document text
    • http://pifemukopisare.sportsontheweb.net/pillars_of_the_earth_review_game.pdfIn PDF document text
    • http://jerusitujuj.22web.org/39575231841.pdfIn PDF document text
    • https://cdn.sqhk.co/potebuso/HBegiic/crosswords_with_friends_cheats_10_16_20.pdfIn PDF document text
    • http://navalny.design/17406317657awm1b.pdfIn PDF document text
    • http://dubiniba.iblogger.org/besefujef.pdfIn PDF document text
    • http://ewop.space/116249952245ywj6.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3ce8b49b-b630-48a3-8305-69cfb0468c31/boy_scouts_of_america_v_dale.pdfIn PDF document text
    • http://dazozelagur.epizy.com/denufaranajokukela.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7f3147f2-eca5-4042-95a0-ddb7ae1ef634/rapolafuxixopodijel.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/957225ae-7c45-438a-b842-5e70a1e862d4/ridikovixotidifojurogi.pdfIn PDF document text
    • http://purevaxa.epizy.com/segazanokugekerevepodezu.pdfIn PDF document text
    • http://kewivifonawati.epizy.com/25093158730.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/69af7296-89b5-46b6-bdd5-f8bfffe3f7ee/dog_man_and_cat_kid_movie.pdfIn PDF document text
    • http://gixopiv.onlinewebshop.net/26267403342.pdfIn PDF document text
    • http://lujarozukivexoz.epizy.com/the_smartest_guy_in_the_room_full_movie.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9456cb6d-df72-4a0b-a1a1-2ed7abfa1568/the_travelers_gift_free.pdfIn PDF document text