Malicious PDF — malware analysis report

Static analysis result for SHA-256 2db77ffa96c4d6f6…

MALICIOUS

PDF

69.0 KB Created: 2021-03-06 23:17:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 14cbca05f3a068ffed0a87e204eb343d SHA-1: 2ca6e6ab0f51ea86eba73fcf0bbff716432e2cdc SHA-256: 2db77ffa96c4d6f63253fb7cf7544c8f7d4926eebc42d5f69a1bb6d2ad72ea0c
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://mezovuduw.ru/wix?keyword=introduction+to+academic+writing+answer+key+pdf PDF link annotation
    • http://mibamixuxonewu.22web.org/tisawigoviwumawog.pdfIn PDF document text
    • https://cdn.sqhk.co/gusisitixinu/hKLwowU/15498422249.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4391305/normal_60240dcceaa96.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4425737/normal_5fc9ba22db4d6.pdfIn PDF document text
    • http://xigujawuruwuko.22web.org/1771789602.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4411923/normal_6007d6b4c473b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4405190/normal_6029831d6ceb6.pdfIn PDF document text
    • https://cdn.sqhk.co/mipekakiri/bgdgegj/catchmaster_288i_professional_bug_trap_and_monitor.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/9a9cf5a3-3ced-400f-9f3d-e201520eb276/miniature_dachshund_puppies_for_sale_in_gadsden_al.pdfIn PDF document text
    • http://zulifozomitolos.rf.gd/what_is_yellow_crocus_about.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/65d767df-52bb-4d04-8afb-3d03efe77026/seth_abner_salary.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f2738fe6-9015-4b39-82fa-b9dbcb25180d/7382592325.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cec04f21-1733-4bde-88de-8ea228a7dce9/introduction_to_algebra_worksheet_year_7.pdfIn PDF document text
    • http://xevotoxukapo.epizy.com/facebook_psd_template_free.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/44884e36-0105-4421-9bcf-3d6c3669b309/pejutugovinesufi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d6958441-e9ff-4c45-abe6-d8c538db9db4/what_is_the_price_of_samsung_s9_in_pakistan.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1fb5e544-3e74-45b9-8b52-213494b18d88/how_do_you_say_would_you_like_a_cup_of_tea_in_french.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/eb2858ff-2492-42d6-b87b-70d9646a991b/husqvarna_viking_sewing_machine_h_class_e20.pdfIn PDF document text
    • http://jatuxijor.epizy.com/south_africa_worship_song.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1d4a8558-fbdd-4435-b4a2-5172cd4668a9/dwarf_fortress_steam_update.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_off0000cf4d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCF4D 5640 bytes
SHA-256: cbe9b054f7c78f1341874fe7eda62458a36368a1b90fc283f327ab2f2cd4d6c4
font_01_sfnt_off0000e28b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE28B 10732 bytes
SHA-256: 614fc064ebb3029bb8b2439970fb2a6d8269af73583edc669d0cdbbada4bfc52

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