Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea2f01bb7ccf4860…

MALICIOUS

PDF

72.3 KB Created: 2021-02-27 02:33:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16
MD5: f73b2555f81aa8e13d448d2a65bde087 SHA-1: 268dc132202d6ef990b83701bd1e84470aa84fbe SHA-256: ea2f01bb7ccf4860a4b8d09d234787c82cffc9f1875244ec17e927ddf00861e9
126 Risk Score

Malware Insights

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

The PDF contains multiple embedded URLs, many of which point to disposable hosting and are part of a link farm, indicating a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution. The document body, though partially corrupted, references a book title, suggesting a lure to attract users to potentially malicious content.

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://lozipotod.ru/strik?utm_term=como+ganar+amigos+e+influir+en+las+personas+pdf+resumen PDF link annotation
    • http://zaxevef.getenjoyment.net/30034800154.pdfIn PDF document text
    • http://pisodanijuke.iblogger.org/aviva_pension_platform_review.pdfIn PDF document text
    • https://cdn.sqhk.co/winelolibug/jhijid4/cross_stitch_floral_border_free.pdfIn PDF document text
    • https://duxegolukazokun.weebly.com/uploads/1/3/1/3/131398215/gonufujisas-lulerej-wapupowevevi-dipudof.pdfIn PDF document text
    • https://cdn.sqhk.co/xurazegoba/ibohgic/dezumuwawosubewusodogaga.pdfIn PDF document text
    • http://bagesopabiwub.scienceontheweb.net/yamaha_moto_4_350_tires.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/fakuguvil/esl_suffixes_exercises.pdfIn PDF document text
    • http://megigezorozo.atwebpages.com/what_year_is_the_kindle_fire_hd_3rd_generation.pdfIn PDF document text
    • http://japefafe.epizy.com/asme_sec_ix_2010_free.pdfIn PDF document text
    • http://tobikinos.onlinewebshop.net/jadutifazolilavafa.pdfIn PDF document text
    • https://s3.amazonaws.com/meludav/dujasalowaxa.pdfIn PDF document text
    • http://daxararudivoxik.rf.gd/subuvorunivifutufam.pdfIn PDF document text
    • http://vomalowo.epizy.com/46259204697.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_off0000d9e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD9E6 5268 bytes
SHA-256: caebcfc1eef5bc2c5ac2afad2b99c68021f1816be3283002904b9ebb16480052
font_01_sfnt_off0000ebb7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEBB7 11672 bytes
SHA-256: 6c190d06ad033e5d6cc3a2774774da7072415bceb21a59faf4b402e88dcd6ee8

Open this report in the interactive analyzer, or submit your own file for analysis.