Malicious PDF — malware analysis report

Static analysis result for SHA-256 44c4a2dcbb47ca7a…

MALICIOUS

PDF

66.5 KB Created: 2021-02-18 12:56:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: d6b8190a2159adb2afbbd061578efbf5 SHA-1: 6ab75b3377d13c1c36fff8f9641e3e4d6622dd7f SHA-256: 44c4a2dcbb47ca7a43b1110465587c87566030bffa41a067c163c370edaba23d
126 Risk Score

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://druttle.ru/wix?keyword=the+four+agreements+companion+book+pdf PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4490953/normal_5febeb264a318.pdfIn PDF document text
    • https://watorixaziju.weebly.com/uploads/1/3/4/5/134586039/gesuv.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393193/normal_6027742587d55.pdfIn PDF document text
    • https://xuvakaxatal.weebly.com/uploads/1/3/1/0/131070170/vedusobafa_totanaguge_peruvepod_zeluxefamirod.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4425224/normal_601b9a8145362.pdfIn PDF document text
    • http://tryadasert.online/57547857458t98nc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409257/normal_5fd3169383f73.pdfIn PDF document text
    • http://promooffer.site/je_me_debrouille_en_anglaisyyzic.pdfIn PDF document text
    • http://aromaita.space/orton_gillingham_lesson_plan_templateh12sj.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4390996/normal_5fdd9388a9884.pdfIn PDF document text
    • http://dkmz3.club/nova_icse_physics_lab_manual_class_9_solutionsqz291.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://muzafevabuma.rf.gd/le_cercle_de_la_forme_porte_maillot.pdfIn PDF document text
    • http://xutulatovemi.epizy.com/85537663412.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_off0000c8b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC8B2 5692 bytes
SHA-256: e7393ec75af0f1e9f0f8bfc916db58516be659cf15268742ed3537e61b1a0784
font_01_sfnt_off0000dbe0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDBE0 9820 bytes
SHA-256: 4a729b39c74345df36eed50cfd760c7ebd0c25ffe0605ea15a945f9e2be3860f