Malicious PDF — malware analysis report

Static analysis result for SHA-256 d69a29d234882acd…

MALICIOUS

PDF

92.6 KB Created: 2021-03-21 22:55:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-20
MD5: 968acbe02d736b6ce3a1ed6fc8c38c77 SHA-1: 26c7c712fb7c4325438a97c48239ea73a49c2e92 SHA-256: d69a29d234882acd7cc69556db05c510dc0b116fcb670198cf6fad150833d9fa
134 Risk Score

Malware Insights

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

The PDF contains multiple external URIs, including one pointing to 'ponafet.ru' with a 'used ford escape hybrid for sale' query, suggesting a lure. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. While no scripts were explicitly extracted, the PDF structure and embedded URIs are consistent with a malicious document designed to redirect users to harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://ponafet.ru/strik?utm_term=used+ford+escape+hybrid+for+sale PDF link annotation
    • https://cdn.sqhk.co/varugefezum/jhggqai/wondershare_filmora_pro_apk_free.pdfIn PDF document text
    • http://lnstagram-verificationbadgeform.com/4397842317391dfl.pdfIn PDF document text
    • https://cdn.sqhk.co/zikufivol/usidWhg/isilon_architecture_guide.pdfIn PDF document text
    • http://wildber.store/nupababamxe2w4.pdfIn PDF document text
    • https://cdn.sqhk.co/jixuvepabu/aiehjha/pickles_general_auctions_online.pdfIn PDF document text
    • http://kedutugadow.iblogger.org/25177642118.pdfIn PDF document text
    • http://xojuxelase.medianewsonline.com/why_does_my_kitchen_faucet_leak_at_the_base.pdfIn PDF document text
    • https://cdn.sqhk.co/zamokaxu/gcifhiC/kings_island_game_card.pdfIn PDF document text
    • http://wamuwosola.mygamesonline.org/how_old_is_lara_jean_in_ps_i_still_love_you.pdfIn PDF document text
    • http://legendarycraft.ru/81181759471ayuw2.pdfIn PDF document text
    • http://dvestideyli.xyz/xifiminayt07v.pdfIn PDF document text
    • http://meblik.su/english_listening_exercises_worksheets2dcoc.pdfIn PDF document text
    • http://bagomebefekixob.getenjoyment.net/medical_physiology_by_ak_jain.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/tonisefoteka/high_tech_academy_highland_springs.pdfIn PDF document text
    • https://s3.amazonaws.com/ginutu/lycanthrope_dota_2_guide.pdfIn PDF document text
    • http://dejibokakar.onlinewebshop.net/73483136767.pdfIn PDF document text
    • http://ximedamolaxeve.epizy.com/atlas_de_anatomia_eduard_pernkopf.pdfIn PDF document text
    • https://s3.amazonaws.com/bitizopovopaso/hexaflexagon_safety_guide.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_off00012a40.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12A40 5476 bytes
SHA-256: f44709336710cd56589d0477694db0277e2d980ecf2307c2522277c00f387617
font_01_sfnt_off00013cdf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13CDF 11796 bytes
SHA-256: c82084105fef668a6cce24c395ab28814860875ef216803ea4bdbb748138e59e

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