Malicious PDF — malware analysis report

Static analysis result for SHA-256 0af643d470d421fb…

MALICIOUS

PDF

72.7 KB Created: 2021-02-24 13:54:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 1e605cc9ab4174bf67e0fc250e7fdcb2 SHA-1: 54943fd3f764d08c301ea45928e0a089d218c11b SHA-256: 0af643d470d421fb1627df75c662ff8d2838b61e824688094b3ca7c831a061e4
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://druttle.ru/wix?keyword=ettercap+pathfinder+d20pfsrd PDF link annotation
    • https://limorevoxa.weebly.com/uploads/1/3/4/6/134611026/tamafiluxewoge.pdfIn PDF document text
    • https://cdn.sqhk.co/pabopimi/jgjfohc/halloween_monster_craft_ideas.pdfIn PDF document text
    • https://cdn.sqhk.co/sisowufabo/jD4ihBy/bofejetejupizadapiw.pdfIn PDF document text
    • https://cdn.sqhk.co/rukokota/s5jahd2/home_design_word_life_level_178.pdfIn PDF document text
    • https://cdn.sqhk.co/bijukipuj/oXgchfL/xixovobut.pdfIn PDF document text
    • https://jabipiduluw.weebly.com/uploads/1/3/4/6/134662585/4550643.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4422371/normal_5fca7820ebe8c.pdfIn PDF document text
    • http://skout.tech/632631136739zge1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481397/normal_60198311c8d7a.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4485156/normal_5ff5ad99985eb.pdfIn PDF document text
    • http://good-production20.site/christmas_real_book_indexo3r8a.pdfIn PDF document text
    • https://tuvugeti.weebly.com/uploads/1/3/4/1/134108896/f3d8df7.pdfIn PDF document text
    • https://cdn.sqhk.co/sudizatase/ifijS6c/evacuumstore_promotional_codes.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4408343/normal_5fc67b21930ff.pdfIn PDF document text
    • https://cdn.sqhk.co/fidinananale/iVidgjI/23824282690.pdfIn PDF document text
    • https://cdn.sqhk.co/dusaradezat/gNzjiTO/vacuum_tube_dark_space.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4422137/normal_5fd2dcb0d24ef.pdfIn PDF document text
    • https://cdn.sqhk.co/goworonol/xPr84jc/ghost_rider_3_release_date_uk.pdfIn PDF document text
    • https://powumebaporisav.weebly.com/uploads/1/3/4/8/134891471/bugasoxadiwisumoje.pdfIn PDF document text
    • https://cdn.sqhk.co/kejofuvata/hblzLhb/planet_waves_tuner_pedal_review.pdfIn PDF document text
    • http://povar2020.site/goblin_slayer_high_elfn00xu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4391000/normal_6032630f09397.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000e02f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE02F 5444 bytes
SHA-256: 8eee7dd27ef545fac86ce773a4d07e5f782c4c2a9eec69ad74229ba78303d447
font_01_sfnt_off0000f2b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2B1 10188 bytes
SHA-256: 28b4bcbce601eeae8415203d7f71475c7d50bc8acdf675bdbb4cc7d07e2d9d73

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