Malicious PDF — malware analysis report

Static analysis result for SHA-256 e01f51a47c2f7381…

MALICIOUS

PDF

74.9 KB Created: 2021-01-25 18:40:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-07
MD5: 073b63d42eba2691a5acddd113fa2637 SHA-1: 987bc4a4f25b4dca2ee298419d22a6e813c6c1d4 SHA-256: e01f51a47c2f738199100d9a8b5aecdbc1c54ce786b26a380c39140150cd9868
154 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, traffking.ru, which is indicative of a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly support its malicious nature. Although no scripts were extracted, the embedded URL is the primary indicator of malicious intent, likely leading to a phishing page or a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://traffking.ru/123?utm_term=rules+of+the+game+pdf+strauss In PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/leteraxewe/block_strike_mod_apk_2018.pdfIn PDF document text
    • http://letugupinuvanu.rf.gd/leganiwarijozijona.pdfIn PDF document text
    • https://s3.amazonaws.com/bojafazes/oriya_bhajan_a_to_z.pdfIn PDF document text
    • https://s3.amazonaws.com/rumezo/72112127838.pdfIn PDF document text
    • https://s3.amazonaws.com/luropi/tumblr_for_android.pdfIn PDF document text
    • https://s3.amazonaws.com/rilexazejuzovep/bean_movie_in_tamilrockers.pdfIn PDF document text
    • https://s3.amazonaws.com/wuwabobujasivor/caerphilly_council_tax_refund_form.pdfIn PDF document text
    • https://s3.amazonaws.com/jolunenafobuw/eddie_the_eagle_parents_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/fulazelof/53342383565.pdfIn PDF document text
    • https://s3.amazonaws.com/legipalofi/lerawojiwikefanoxedilu.pdfIn PDF document text
    • https://s3.amazonaws.com/megujobemegor/composites_science_and_technology_guide_for_authors.pdfIn PDF document text
    • http://botogokobule.rf.gd/kitominenosuf.pdfIn PDF document text
    • https://s3.amazonaws.com/xeroguru/adjetivo_genero_uniforme_e_biforme.pdfIn PDF document text
    • https://s3.amazonaws.com/topipovikapari/korafijonojo.pdfIn PDF document text
    • https://s3.amazonaws.com/zalomi/43152812990.pdfIn PDF document text
    • https://s3.amazonaws.com/xijuxosisomuna/information_about_bangalore_palace_in_kannada.pdfIn PDF document text
    • https://s3.amazonaws.com/zemunomipazikez/korn_ferry_test_answers.pdfIn PDF document text
    • http://panurimo.epizy.com/aditya_verma_songs_free.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e8ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE8AD 5464 bytes
SHA-256: b2df231876674df36a254a3b45910720d2f7c374e187cf2e0a72b7ba3a8401bc
font_01_sfnt_off0000fb1f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFB1F 10284 bytes
SHA-256: a5f736ba433ef4931da24e9a0be8a0a690f810e3998d4e336049bf27da302f7e

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