Malicious PDF — malware analysis report

Static analysis result for SHA-256 824e596eed6bd029…

MALICIOUS

PDF

66.7 KB Created: 2021-03-12 12:28:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-13
MD5: 725b201d3980ccaac5f603c803cee641 SHA-1: 3c855cf29dbba9427f86acab1c96c4ecfe8da683 SHA-256: 824e596eed6bd0290ed9cf9aa3c53165f5b5e59bfcf7c16371172e58c387ad2a
126 Risk Score

Malware Insights

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

This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing attempt. The document body contains text related to movie downloads, and embedded URLs point to suspicious domains, likely serving as lures for malicious content. The presence of external URIs and link farming heuristics further supports a phishing or malicious content distribution scheme.

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://botokaw.ru/123?utm_term=chakram+full+movie+in+telugu+hd PDF link annotation
    • https://cdn.sqhk.co/nezusoxe/geeBMIE/how_to_color_pretty_princess_jasmine.pdfIn PDF document text
    • http://circulshtangcalip.website/vejevananopimefixdesq.pdfIn PDF document text
    • https://gabonavokelog.weebly.com/uploads/1/3/4/6/134684269/guvolep_xoremame_xapamegidil.pdfIn PDF document text
    • http://picply.ru/how_to_play_music_at_homeoxmh0.pdfIn PDF document text
    • https://cdn.sqhk.co/gewanunu/a2hfiC5/pokemon_kanto_map_puzzle.pdfIn PDF document text
    • http://yoga-fitness.space/1641255624718xdq.pdfIn PDF document text
    • http://liko-sneakers.com/jiwobemaraxomisegon7kwif.pdfIn PDF document text
    • http://texno3ua.com/cronica_de_una_muerte_anunciada_resumen_del_capitulo_2s5qh1.pdfIn PDF document text
    • http://reduslimitaly-official.website/toyota_camry_hybrid_2019_fuel_economyab1on.pdfIn PDF document text
    • https://cdn.sqhk.co/ruvatagukas/wnbijZD/41418740846.pdfIn PDF document text
    • https://cdn.sqhk.co/savadapo/hblijKI/bee_bot_starter_set.pdfIn PDF document text
    • https://cdn.sqhk.co/kinuneba/igiagiX/best_hashtags_to_get_followers_on_instagram_2020.pdfIn PDF document text
    • https://lanekugufer.weebly.com/uploads/1/3/5/3/135351315/bagewibudoga-zamulasi-gepox-zafejofiwe.pdfIn PDF document text
    • http://smartbright.club/90413547150d1vfq.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://8dac4d01-2cd1-45d2-8b5f-6005f802adc9.filesusr.com/ugd/1f96ce_dbcdf94ac1fc4869b205608510fb7810.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/dadupawo/lazanamulobupawude.pdfIn PDF document text
    • https://s3.amazonaws.com/nakuzafol/how_to_scan_multiple_pages_on_canon_mg2520.pdfIn PDF document text
    • https://a35aa970-3e4e-4c20-be1f-53d10001bce9.filesusr.com/ugd/af4e73_51e8a4b3c6e84b1d8a3bf8953e7a8f10.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/wovugi/73459192526.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_off0000c855.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC855 5172 bytes
SHA-256: 61b482b379a4c7fc7bb065e53ff6e624467ce21cb297e7f958f3608bdd7547fe
font_01_sfnt_off0000d9c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD9C6 10396 bytes
SHA-256: 353b6c8079fd37288e75a06a8aece41a84b66d1e15d7e986a586a1c26384ed5e

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