Malicious PDF — malware analysis report

Static analysis result for SHA-256 c8f0da4e5e88f388…

MALICIOUS

PDF

73.2 KB Created: 2021-02-25 20:30:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 5f2a78dd826d78b3bfd41ba2c01c5f27 SHA-1: 5e7919a59e36c7f708798a49dab7934c4bcbf0c5 SHA-256: c8f0da4e5e88f388f3b471e656f6afdcfa842ed62e1f772648ebad9c1a15cb69
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 6

  • 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 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.
  • 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://maypoin.ru/award?keyword=eureka+forbes+vacuum+cleaner+service PDF link annotation
    • https://cdn.sqhk.co/lirebirab/IBjjibz/28977125479.pdfIn PDF document text
    • https://kewatedodi.weebly.com/uploads/1/3/0/7/130776291/b671d4ee47895a8.pdfIn PDF document text
    • https://cdn.sqhk.co/ratevusur/whguD8Y/zombies_2_willa_costume_uk.pdfIn PDF document text
    • https://gegiritofizupog.weebly.com/uploads/1/3/4/6/134644009/fapiberusexinij.pdfIn PDF document text
    • https://revoninutilira.weebly.com/uploads/1/3/5/3/135338282/5079366.pdfIn PDF document text
    • https://cdn.sqhk.co/belerudoxej/ihjb9ie/brazuca_world_cup_ball_2014.pdfIn PDF document text
    • https://cdn.sqhk.co/fidasawon/njigihe/carrot_cake_cupcakes_recipe_gluten_free.pdfIn PDF document text
    • https://dezuximoloxesar.weebly.com/uploads/1/3/1/4/131410685/lomovapik-jajinovi-gipoxaguzifipo-wazelabulago.pdfIn PDF document text
    • https://cdn.sqhk.co/lanumakefu/0ITDY9e/55040181697.pdfIn PDF document text
    • https://cdn.sqhk.co/gabixeme/jfghibK/kogama_among_us.pdfIn PDF document text
    • https://cdn.sqhk.co/gotakavapu/BSLoiaK/lego_jurassic_world_ios_dna_codes.pdfIn PDF document text
    • https://motutipe.weebly.com/uploads/1/3/4/6/134674000/8d901a3536.pdfIn PDF document text
    • https://cdn.sqhk.co/rigidaluta/5iiihpX/89614089705.pdfIn PDF document text
    • https://cdn.sqhk.co/momogajopi/ggjiigG/29297889935.pdfIn PDF document text
    • https://xafituku.weebly.com/uploads/1/3/4/8/134863640/8472366.pdfIn PDF document text
    • https://cdn.sqhk.co/soribivevi/iicEKgi/fitozebebodowakomezulu.pdfIn PDF document text
    • https://rujabeta.weebly.com/uploads/1/3/4/5/134529194/jugeranosoko-belurus.pdfIn PDF document text
    • https://cdn.sqhk.co/leluforeref/j9Iihid/year_of_the_rabbit_season_2_air_date.pdfIn PDF document text
    • https://cdn.sqhk.co/ranemagesoga/4ijwiie/ludo_king_online_game_with_friends.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/suzixegazunow/moxavesenebogalanize.pdfIn PDF document text
    • https://s3.amazonaws.com/waxegatulo/libebojivuzu.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_off0000e1f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE1F2 5248 bytes
SHA-256: 5cddece31dc986c1e7f51030339eb04039f378fa180ace6b3d121d48d9837a4f
font_01_sfnt_off0000f3c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF3C8 10520 bytes
SHA-256: 160ae20a3b9066145b55f99ca8fd351ee4a92570b17b4f671a93837eff4fc36e

Open this report in the interactive analyzer, or submit your own file for analysis.