Malicious PDF — malware analysis report

Static analysis result for SHA-256 a01c446e8d7ca207…

MALICIOUS

PDF

69.4 KB Created: 2021-02-27 08:03:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 99394da46c09ba524fc6e11410b98623 SHA-1: a2ddc1a1a5156cae754c5ff92901cd94936fbb68 SHA-256: a01c446e8d7ca207fa2b789c2bee1609c05a69447fb048c85543082113e023f1
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://vilenefex.ru/award?keyword=music+an+appreciation+11th+edition PDF link annotation
    • http://ourfanz.com/logonuv3iee0.pdfIn PDF document text
    • https://sipitajopidegol.weebly.com/uploads/1/3/1/4/131453448/pilogaferuzerun-japesisopo-pufubi.pdfIn PDF document text
    • https://xizonadap.weebly.com/uploads/1/3/5/3/135326441/9053904.pdfIn PDF document text
    • http://oneitshop.info/engagement_party_invitations_templatesp7buz.pdfIn PDF document text
    • http://extraterrestrials.space/93150921226io71h.pdfIn PDF document text
    • https://gazufasuro.weebly.com/uploads/1/3/4/4/134482956/d716d6c939c.pdfIn PDF document text
    • http://myluckywin.site/maserati_granturismo_convertible_mc_for_salen0rwm.pdfIn PDF document text
    • https://bijawodit.weebly.com/uploads/1/3/4/8/134883407/fdef2533d290.pdfIn PDF document text
    • http://tukiviretek.iblogger.org/17897154272.pdfIn PDF document text
    • http://doworevo.22web.org/96154033036.pdfIn PDF document text
    • https://biwoponafi.weebly.com/uploads/1/3/4/7/134767969/xomijax_saroworejisek_pikuxojov_vukafewud.pdfIn PDF document text
    • http://xekokikimelaf.iblogger.org/mivofiven.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://nodikisiti.rf.gd/blacksad_english.pdfIn PDF document text
    • https://s3.amazonaws.com/lixuzo/luwilosujakumotixadivodul.pdfIn PDF document text
    • http://mukavazoxa.epizy.com/uc_davis_npb_course_requirements.pdfIn PDF document text
    • https://s3.amazonaws.com/rirusozo/coordinate_grid_worksheet_answer_key.pdfIn PDF document text
    • http://nuvotadaxiti.epizy.com/how_can_i_potty_train_my_baby_in_3_days.pdfIn PDF document text
    • https://s3.amazonaws.com/zedilegol/aladdin_movie_2019_songs_free.pdfIn PDF document text
    • http://pomuvoxibi.epizy.com/blue_card_application_form_2018.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_off0000d227.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD227 5188 bytes
SHA-256: 276ef4ec6115e44b3d65d6d85222319bc5d85c45c6402613695f3b0cd6092928
font_01_sfnt_off0000e3d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE3D6 10560 bytes
SHA-256: 714e43e3c3f8cd004f17a089f427e5cbe43037e711a529b3d0bff733dfcc59eb