Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa8e71f0f4ce9618…

MALICIOUS

PDF

96.5 KB Created: 2021-02-23 12:05:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-06
MD5: fb64ec5654276580734b3b2eda438e12 SHA-1: 32a8f19561e70cdd3648af28be3d719b3d99ba4c SHA-256: aa8e71f0f4ce961843908274b24fa88aaabadd51937dab248908713424c3b26a
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://seumenha.ru/strik?utm_term=2008+honda+accord+ex+l+v6+owners+manual PDF link annotation
    • https://goresizusozal.weebly.com/uploads/1/3/4/5/134524816/188440.pdfIn PDF document text
    • https://cdn.sqhk.co/tiviluluje/hKYibS3/mad_skills_motocross_2_mod_apk_unlimited_money.pdfIn PDF document text
    • https://cdn.sqhk.co/bidogefapo/W7zgjWy/52374551637.pdfIn PDF document text
    • https://cdn.sqhk.co/wepigosogo/iy6yhe0/marvel_legendary_secret_wars_2_card_list.pdfIn PDF document text
    • https://jirakeleda.weebly.com/uploads/1/3/5/9/135992973/9a3dc8a1.pdfIn PDF document text
    • http://wevoselaxoto.66ghz.com/biology_grade_12.pdfIn PDF document text
    • https://cdn.sqhk.co/sirepajaku/hnFbjmK/67971406338.pdfIn PDF document text
    • https://cdn.sqhk.co/kowumutajaw/Xhfiejj/kuraguxozubokanebetetipiw.pdfIn PDF document text
    • https://varemajog.weebly.com/uploads/1/3/4/5/134585454/xifipud_pawir.pdfIn PDF document text
    • https://cdn.sqhk.co/ributexovek/Dhjejgp/advance_auto_parts_near_me_open_now.pdfIn PDF document text
    • https://teditiwos.weebly.com/uploads/1/3/2/6/132681477/7d2b5aa5e6c83.pdfIn PDF document text
    • https://labuxodapiju.weebly.com/uploads/1/3/4/4/134492440/gekupitafip.pdfIn PDF document text
    • https://wuruderow.weebly.com/uploads/1/3/5/3/135389815/mewasofiroxuriw.pdfIn PDF document text
    • https://cdn.sqhk.co/dagizonu/ifjgxid/best_history_of_japan_podcast.pdfIn PDF document text
    • https://vipomumukewa.weebly.com/uploads/1/3/0/8/130813786/5708ca3927c7.pdfIn PDF document text
    • https://cdn.sqhk.co/jerivudofin/1ieghda/58242220914.pdfIn PDF document text
    • http://www.opentle.orgIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://gefaraw.rf.gd/firetrap_mens_size_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://www.gnu.org/licenses/gpl.htmlIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00012250.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x12250 16548 bytes
SHA-256: c261ffed896428a483d65b41ea9ed0ab124c382941aba1c649ab033ffd8d1dbf
font_00_sfnt_off00010e47.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10E47 5928 bytes
SHA-256: 0fef732b7edb4b66ee1a1778238f744f2ac3c32ea22eeeb7903e9111097306b2
font_02_sfnt_off00015028.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15028 10548 bytes
SHA-256: 305e880f6ac127d92cb1e541c269cf43c514af2086057deb38e6914bd90e1964

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