Malicious PDF — malware analysis report

Static analysis result for SHA-256 0dc0517623b936b6…

MALICIOUS

PDF

73.5 KB Created: 2021-02-13 15:26:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 858fba81c4028c7411e98f93e015e31a SHA-1: 5e437473cc1b8b760d7812f3dd017eb4c12e7cce SHA-256: 0dc0517623b936b64abc1d99bff3f5611775b1bf1bd927ccec8b3ab9986a3536
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://leonvi.ru/123?utm_term=false+class+consciousness+sociology PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4416144/normal_5fdaedbf36453.pdfIn PDF document text
    • http://itanto.space/superhero_movie_ringtone_download_zedgekwzfq.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4476943/normal_5fc8841e4d9a6.pdfIn PDF document text
    • http://vorecan.fun/61394345404g2y7d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4415950/normal_60019b9cb6589.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4409122/normal_60044658705f7.pdfIn PDF document text
    • http://fasumidivojasuj.iblogger.org/88092031967.pdfIn PDF document text
    • http://boomerangoo.site/best_pandora_s_box_game_consoleavyxt.pdfIn PDF document text
    • http://idealicaufficiale.website/poxezjxs9i.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368976/normal_600faea6d1fa7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4482863/normal_5ffa85e1b4dc4.pdfIn PDF document text
    • http://bestita.space/60668870156tp58p.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/fatisake/tepogukododikaj.pdfIn PDF document text
    • http://kabekanofaxo.epizy.com/proving_triangles_congruent_worksheet_with_answers.pdfIn PDF document text
    • http://dodarululi.epizy.com/nukizikajametiwogo.pdfIn PDF document text
    • https://s3.amazonaws.com/lososimap/livizuwilojijajixinen.pdfIn PDF document text
    • http://deroxemonak.epizy.com/jovenemelumifiwadoneb.pdfIn PDF document text
    • https://s3.amazonaws.com/fupanabivote/41366436893.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_off0000e2b0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE2B0 4928 bytes
SHA-256: c2ec11d42ef77ae2a1f87160b299d4e8fae3d6c169cc3d54d32db4a0cf670dc7
font_01_sfnt_off0000f394.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF394 11332 bytes
SHA-256: 747be3c11860dcc201865d0c1c2d13b5fc7e3076be0fe62cf29177e44709491e