Malicious PDF — malware analysis report

Static analysis result for SHA-256 5cabcbee43fde2c0…

MALICIOUS

PDF

70.1 KB Created: 2021-01-19 09:49:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: c443f6a31a1744469f4656a54bbf5e4d SHA-1: 293f6707046e04fa5216eea09a28d549b1ce181c SHA-256: 5cabcbee43fde2c068a2b35805dbf197bc175c527fe29126090f9f7d868e8910
126 Risk Score

Malware Insights

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

This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The heuristics indicate it functions as a link farm, with numerous external URIs pointing to disposable hosting. The document body, though heavily obfuscated, contains references to external URLs, reinforcing the phishing or malware distribution intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • 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.
  • 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://jottigo.ru/123?utm_term=st+patrick+mission+church+st+charles+il PDF link annotation
    • https://cdn.sqhk.co/ributexovek/ajbighf/free_animated_video_maker_online.pdfIn PDF document text
    • https://cdn.sqhk.co/tuledapozato/haia2if/35667577497.pdfIn PDF document text
    • https://vovezakiw.weebly.com/uploads/1/3/4/5/134523709/zidari.pdfIn PDF document text
    • https://cdn.sqhk.co/tadanopi/geKsjjb/off_road_rover_e1_off-_road.pdfIn PDF document text
    • https://bisaderivulele.weebly.com/uploads/1/3/4/7/134744485/vonemufuzumaguxijuna.pdfIn PDF document text
    • https://bujopulima.weebly.com/uploads/1/3/3/9/133997272/5776556.pdfIn PDF document text
    • https://gubetixe.weebly.com/uploads/1/3/4/3/134314982/5a368b23512.pdfIn PDF document text
    • http://muparizuxufuxud.22web.org/capriccio_bubbly_sangria_nutrition_information.pdfIn PDF document text
    • http://ralenexixozuk.iblogger.org/butcher_shop_business_plan.pdfIn PDF document text
    • http://jixelaxoli.66ghz.com/zonodikiwemixusupelise.pdfIn PDF document text
    • https://lubozukutiximik.weebly.com/uploads/1/3/4/4/134472848/3719299.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fikexole.rf.gd/heads_up_coaches_concussion_answers.pdfIn PDF document text
    • http://gokamevagared.epizy.com/13726704387.pdfIn PDF document text
    • http://nosifunugiwes.epizy.com/fallout_4_mod_list_guide.pdfIn PDF document text
    • http://wevevaviz.epizy.com/80052156005.pdfIn PDF document text
    • http://mezomiwewelebe.epizy.com/clinkz_dota_2_guide.pdfIn PDF document text
    • http://xapimiwosusuv.epizy.com/beauxbatons_uniform_colour.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_off0000d131.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD131 5340 bytes
SHA-256: 4a841c085f9bd121a0e326e3f5aeb13e9c57766726a7d9adeedff455ebbc75c3
font_01_sfnt_off0000e332.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE332 11696 bytes
SHA-256: 4a1f62cb259ea70d35612e55d78fab31a9094fb297d1925e1d79b646b1ab63ca

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