Malicious PDF — malware analysis report

Static analysis result for SHA-256 64574303839a0546…

MALICIOUS

PDF

84.2 KB Created: 2021-03-13 22:05:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 68c3f183d769d61e46d664198a4f988d SHA-1: 82627a3486cbaa2df1144ed4c85df5992778901e SHA-256: 64574303839a0546c8de18a1393a783bbab30785b10bf8308f78ceff31621828
126 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF contains embedded URLs and is flagged by multiple heuristics, including a critical ClamAV detection for Pdf.Phishing.Trojan. The ML classifier also strongly indicates maliciousness. The document body, though truncated, suggests a lure related to "magic bullet theory in media", likely leading to a phishing or malware download site. No scripts were extracted, but the presence of numerous external URIs points to a phishing or redirection attack.

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://xajibur.ru/strik?utm_term=example+of+magic+bullet+theory+in+media PDF link annotation
    • https://cdn.sqhk.co/tixukiko/bAhiq3D/kung_fu_panda_legendary_warriors_wii_iso.pdfIn PDF document text
    • https://gatiwisukebemo.weebly.com/uploads/1/3/1/4/131438587/geginepix-bamigelogoga-zulixeramoreju.pdfIn PDF document text
    • https://tabutepapuwup.weebly.com/uploads/1/3/0/7/130740025/2b55551d.pdfIn PDF document text
    • https://cdn.sqhk.co/vejanozugova/2icigid/70397828468.pdfIn PDF document text
    • https://cdn.sqhk.co/jotoselu/cYH1Rig/hd_wallpaper_for_pc_1920x1080_gaming.pdfIn PDF document text
    • http://kifikawi.66ghz.com/sodastream_fizzi_one_touch_user_manual.pdfIn PDF document text
    • https://cdn.sqhk.co/sunomedude/buTJgRh/monster_energy_supercross_game_ps4_how_to_whip.pdfIn PDF document text
    • https://cdn.sqhk.co/xadeviro/0rUhdns/the_tribez_build_a_village_download.pdfIn PDF document text
    • https://cdn.sqhk.co/gowexenopa/BajdO5M/android_studio_arrayadapter_getview.pdfIn PDF document text
    • https://zasetumodoroba.weebly.com/uploads/1/3/4/6/134692621/730149151c80.pdfIn PDF document text
    • https://cdn.sqhk.co/feripamapuv/TLLhcNL/random_meme_soundboard_chrome_extension.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/2810e8c3-d218-4cad-97a2-d1f3c67ec81c/60726129630.pdfIn PDF document text
    • https://3f054cde-0430-4828-89d0-5f77035cf230.filesusr.com/ugd/d93890_5487da7ac4a040968053aa7b21b99dc5.pdf?index=trueIn PDF document text
    • http://xelidev.rf.gd/74568868880.pdfIn PDF document text
    • https://67d298e0-85f4-4ad4-bf36-e1ac857e42fc.filesusr.com/ugd/b6bf5b_07f56dc42ded4734a1a6abbaad794182.pdf?index=trueIn PDF document text
    • http://wefulipov.epizy.com/kureji.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/06e9ccfe-600e-44d1-aeee-2e2e36c834e9/how_much_does_the_101_bus_cost_in_india.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_off000109dc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x109DC 5656 bytes
SHA-256: 3634b40f1da9c47ff6236793d9da136af6194325c5a60b6138a28a968e260f65
font_01_sfnt_off00011cfe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11CFE 11612 bytes
SHA-256: c66edf9f4a361ab90c0cd5b32654b5056e9c6ffb34db3acc713fb396488004ff

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