Malicious PDF — malware analysis report

Static analysis result for SHA-256 011240f62ff685ea…

MALICIOUS

PDF

72.6 KB Created: 2021-02-15 16:01:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 51a4cfc14d698b9453649f3431de798e SHA-1: d2f4493aa4855cdfc3f9f2bf31c057ab27ab9c22 SHA-256: 011240f62ff685ea3490cf9f3075ecfcbde05d2a2f544175c8c2ef61b21e4be3
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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/wix?keyword=buford+t+justice+gif PDF link annotation
    • http://leomannapov.com/actually_synonyms_formalsnm11.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4387918/normal_5fc9a800e9f26.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459170/normal_5fcb9a366a591.pdfIn PDF document text
    • https://cdn.sqhk.co/dakizenewa/QgjlhbY/kafixemefuxetobafopi.pdfIn PDF document text
    • https://cdn.sqhk.co/redusebi/vjjHXEk/40381641835.pdfIn PDF document text
    • https://cdn.sqhk.co/befozaxulot/jftKmjg/verizon_navigator_not_working.pdfIn PDF document text
    • https://cdn.sqhk.co/texafikogot/JlFjh1D/fexarunavorefawufubenaxep.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4385647/normal_600c65f560dda.pdfIn PDF document text
    • https://cdn.sqhk.co/zibepidok/mgiidii/racing_motor_oil_with_zinc.pdfIn PDF document text
    • https://cdn.sqhk.co/mewobonovagi/ohfgfw5/velajedojugevolixibuw.pdfIn PDF document text
    • https://cdn.sqhk.co/bikegola/cjiifgf/my_wild_pet_online_animal_sim.pdfIn PDF document text
    • https://cdn.sqhk.co/fodexuxefeba/3y6gcDs/57305862238.pdfIn PDF document text
    • http://lasleymarkt.ru/502975114950cb2d.pdfIn PDF document text
    • https://cdn.sqhk.co/mogizufofuj/jhavge7/2301151858.pdfIn PDF document text
    • https://cdn.sqhk.co/wuzosiboweja/hfigsje/multicraft_grindcraft_survival_crafting_games_pc.pdfIn PDF document text
    • https://cdn.sqhk.co/tivinarafuvu/gR3gjgh/90081439591.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/lotibabakuj/asansol_municipal_corporation_recruitment_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/davubewu/sisel.pdfIn PDF document text
    • https://s3.amazonaws.com/regovadeje/wi_dnr_fishing_report.pdfIn PDF document text
    • https://s3.amazonaws.com/kijelopazekune/10070498490.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_off0000e08b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE08B 5072 bytes
SHA-256: c85f4b723960ac3d67d680be53a10444184a867f87923f309cf4b7032e5892df
font_01_sfnt_off0000f1ee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF1EE 10528 bytes
SHA-256: cd93c559a6da8aa4ceb7a06a8ebfe11ba18c41b0c6a369f636d3241cedfb0cf5

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