Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe80a06e9f12b6d2…

MALICIOUS

PDF

63.9 KB Created: 2021-02-04 10:15:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: aa78719adad7c464c09b45bb929417f0 SHA-1: 2d0dab804af1ecc6d9e7f8abaa3d287fd851b57b SHA-256: fe80a06e9f12b6d2891137553eeb1c68449530329be5ebcfd69149f799756ef6
196 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://jacksth.ru/aws?utm_term=ankhiyon+ke+jharokhon+se+full+movie PDF link annotation
    • https://fitokuzigijot.weebly.com/uploads/1/3/4/6/134681543/7762358.pdfIn PDF document text
    • https://cdn.sqhk.co/bedogipaxog/jjAheif/hockey_goalie_drills_for_7_year_olds.pdfIn PDF document text
    • https://nolutoxut.weebly.com/uploads/1/3/4/6/134683805/xopenefewizatuv_jejil_wasas.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4482858/normal_5fd64cc46f50d.pdfIn PDF document text
    • https://ruginimurixibiz.weebly.com/uploads/1/3/1/6/131606491/vesativi.pdfIn PDF document text
    • https://janirakuvofubej.weebly.com/uploads/1/3/4/7/134734148/5902094.pdfIn PDF document text
    • http://tixshopclub.fun/long_nails_natural_tipslt4jk.pdfIn PDF document text
    • https://fewurigog.weebly.com/uploads/1/3/0/9/130969621/bakijilu-gugamovuvavami.pdfIn PDF document text
    • https://fobanuvoba.weebly.com/uploads/1/3/1/6/131637247/labopekimekivoja.pdfIn PDF document text
    • https://cdn.sqhk.co/dakizenewa/1KUnjBO/blackpink_piano_game_online.pdfIn PDF document text
    • https://cdn.sqhk.co/fusifanux/QjeS3gd/word_villas_fun_puzzle_game.pdfIn PDF document text
    • https://lubozukutiximik.weebly.com/uploads/1/3/4/4/134472848/8011809.pdfIn PDF document text
    • https://cdn.sqhk.co/kosojilufut/kicgijh/lowe_s_phone_number_longview_washington.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/belopudevuzuza/divinity_original_sin_strategy_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/mufukep/video_converter_online.pdfIn PDF document text
    • https://s3.amazonaws.com/petuzutemixuvod/fuligedowaririp.pdfIn PDF document text
    • https://s3.amazonaws.com/vibasujefir/plastic_deformation_of_metals_1984.pdfIn PDF document text
    • https://s3.amazonaws.com/midipes/violin_sheet_music_christmas.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_off0000bc2e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBC2E 5296 bytes
SHA-256: d2a80ea1d266c5dc7cfc0b0b394449b47cd74594fab140bff45291d81c8182f2
font_01_sfnt_off0000ce21.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE21 10752 bytes
SHA-256: 4260350953a7c1f9b1bd14b3762d871c68a64d65759e04ce92973d9828bd949c

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