Malicious PDF — malware analysis report

Static analysis result for SHA-256 e299640e89a1d56c…

MALICIOUS

PDF

79.2 KB Created: 2021-03-11 22:51:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-04
MD5: b1271a3569b7c08a956dfa6c82dbda48 SHA-1: 1447d4cd769ab4fae8228c831097e2a963b9ac59 SHA-256: e299640e89a1d56cc64373ef77f865c10556d257eb3dc235da41199c36ae1c9f
126 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by ClamAV and an ML classifier. It contains an embedded URI pointing to 'https://xezojetit.ru/wix?keyword=cosmetic+damage+car', which is likely a phishing lure. The document body, though heavily obfuscated, contains references to 'Cosmetic damage car' and 'wkhtmltopdf', suggesting a deceptive content strategy. No scripts were extracted, but the presence of external URIs and the overall detection profile strongly indicate a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://xezojetit.ru/wix?keyword=cosmetic+damage+car PDF link annotation
    • https://cdn.sqhk.co/xinefegepe/jcibP9v/nodazisozusokorusazifupex.pdfIn PDF document text
    • https://cdn.sqhk.co/kadukugobug/jh3giic/zadavaxer.pdfIn PDF document text
    • https://cdn.sqhk.co/punipopi/fgcKeje/xivobivebagagavi.pdfIn PDF document text
    • https://cdn.sqhk.co/duditizonut/aiagc2M/32598015649.pdfIn PDF document text
    • https://cdn.sqhk.co/mekurapiw/chcqggc/fast_save_for_instagram_pc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4414173/normal_5ffd47eea08ea.pdfIn PDF document text
    • http://pobunav.sportsontheweb.net/weber_grill_cover_genesis_ii_e-310.pdfIn PDF document text
    • http://xanejog.medianewsonline.com/53130586092.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370288/normal_603079b456eba.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4456685/normal_5fd1af1654a0d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4530070/normal_5fe48be63563f.pdfIn PDF document text
    • http://hydraruzxpnew4af.exchange/52239832766g1ula.pdfIn PDF document text
    • http://zanovekolasin.mywebcommunity.org/xuxoxagobilaxa.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4484618/normal_5fd1e7afe4126.pdfIn PDF document text
    • http://shoplus.info/how_does_stocks_market_works5gxhl.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481156/normal_6031701c2ec3e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4386335/normal_604790b772e25.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/0f6d0add-319a-44bf-b084-2456bff49b0f/latogederupireverenugir.pdfIn PDF document text
    • http://xovolefewawex.atwebpages.com/lofodixegivaso.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6689d1be-04ab-4406-8018-263c22c31d52/32093240415.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1747e5a2-4a11-4c81-bbc3-aec0b9b630ac/zedudukal.pdfIn PDF document text
    • http://nisetekotixob.myartsonline.com/le_petit_prince_film_danimation_franais_complet.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/363b5add-16cd-494a-9b11-f60f816ad9bf/wahl_lithium_ion_stubble_trimmer_spares.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_off0000fab1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFAB1 5132 bytes
SHA-256: 479bf337d9ed162a60ec5b082c2e541fa2a2efab475e5d87f07a5e37fff66e0b
font_01_sfnt_off00010c06.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10C06 10516 bytes
SHA-256: eb6c913b2a0f989538506fe8e4a7dbe40e2bcfc1e8786f21211016940a999e7f

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