Malicious PDF — malware analysis report

Static analysis result for SHA-256 3dd39e7acc7f6eff…

MALICIOUS

PDF

68.9 KB Created: 2021-03-06 05:15:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 0c4336bee73a4f1d6109c2d3cb2221b1 SHA-1: 8dfc7c8fa3c81cee6c147610bb37e9e241b5ddf0 SHA-256: 3dd39e7acc7f6eff4f6668cf420c1f7dbf05645747f8a242e5aebee6c10e0d90
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9960

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://fokemale.ru/award?keyword=bissell+green+machine+instruction+manual PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4385228/normal_6039cddc44a03.pdfIn PDF document text
    • http://vufajed.getenjoyment.net/85388973765.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368782/normal_5fd75faeda39b.pdfIn PDF document text
    • https://webebusili.weebly.com/uploads/1/3/0/9/130969565/devakomaxikowusur.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4481990/normal_5fce266142fae.pdfIn PDF document text
    • https://fanamixaxa.weebly.com/uploads/1/3/4/0/134017579/1524327.pdfIn PDF document text
    • https://dukuvelawabuze.weebly.com/uploads/1/3/0/9/130969723/460a4380.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367622/normal_60419af158880.pdfIn PDF document text
    • http://jepisafidezegun.scienceontheweb.net/94103085187.pdfIn PDF document text
    • http://tebapewulodafe.getenjoyment.net/what_is_projection_line_in_engineering_drawing.pdfIn PDF document text
    • http://viniveba.mywebcommunity.org/ninupoxowoduru.pdfIn PDF document text
    • http://lojapidabud.mypressonline.com/war_room_book_author.pdfIn PDF document text
    • http://fafuzum.sportsontheweb.net/maytag_bravos_xl_steam_dryer_user_manual.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465277/normal_5fc9fb1d20084.pdfIn PDF document text
    • http://tonemisi.medianewsonline.com/jakosaj.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4415930/normal_60119880f2d71.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4417527/normal_5fc596ba04198.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4467926/normal_601af0ae9dbc9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4465269/normal_600f059de9769.pdfIn PDF document text
    • https://tibanevugite.weebly.com/uploads/1/3/4/6/134655495/387691.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://naxesabefadufu.atwebpages.com/65630156866.pdfIn PDF document text
    • http://gonegexunu.myartsonline.com/18667026195.pdfIn PDF document text
    • http://kasisexa.rf.gd/55682735818.pdfIn PDF document text
    • http://vesedakowata.onlinewebshop.net/letak_ictus_cordis_normal.pdfIn PDF document text
    • http://zapofekeba.rf.gd/glencoe_pre_algebra_workbook_answer_key.pdfIn PDF document text
    • http://fiwewenupod.epizy.com/the_game_season_3_episode_4_cast.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_off0000d15a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD15A 5264 bytes
SHA-256: b3f2e5df3e987eb12eaa5b54515dca6dd8d79ce1bf1f1c182ffc42f305bf8dd7
font_01_sfnt_off0000e312.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE312 10192 bytes
SHA-256: 9cf6d6ae1e1edcfd5bf573286a8f5a5dd65a6d66af0602462a3344cdea308be4

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