Malicious PDF — malware analysis report

Static analysis result for SHA-256 30f118185af88499…

MALICIOUS

PDF

72.8 KB Created: 2021-02-25 22:20:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 7fd89c16f8b85d7ccaa15488ffaa806f SHA-1: 8f42e3d481ef7de6218698532b3d642676a97e9e SHA-256: 30f118185af884995725f6c617a46df38574020dc4c2ab12309f58781633ac08
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://baarspo.ru/award?keyword=transition+words+to+state+evidence PDF link annotation
    • https://cdn.sqhk.co/bupewazadufa/d9BuqDy/sticker_among_us_for_wastickerapps._com.pdfIn PDF document text
    • http://migerov.xyz/eleanor_of_aquitaine_civ_6_france_guiden6l62.pdfIn PDF document text
    • https://cdn.sqhk.co/samekikogeri/iTgfcWy/pubelosativamuzex.pdfIn PDF document text
    • https://tubolapibakosi.weebly.com/uploads/1/3/4/8/134872187/5655067.pdfIn PDF document text
    • https://cdn.sqhk.co/levowexesu/HFjcSgg/driving_school_2016_mod_apk_for_pc.pdfIn PDF document text
    • http://wijasagasipode.getenjoyment.net/lg_soundbar_nb3530a_mounting_bracket.pdfIn PDF document text
    • https://cdn.sqhk.co/govizanorev/fjaiejh/vizudes.pdfIn PDF document text
    • https://cdn.sqhk.co/kerutadit/iihfZjh/86106438453.pdfIn PDF document text
    • https://cdn.sqhk.co/xufatirumina/iiPjegz/rechargeable_d_batteries_near_me.pdfIn PDF document text
    • http://presalle.xyz/473628268135h62q.pdfIn PDF document text
    • http://onenature.space/diffusion_and_osmosis_problems_worksheet_answer_keyh9eon.pdfIn PDF document text
    • https://zabidikigez.weebly.com/uploads/1/3/4/5/134594795/7470495.pdfIn PDF document text
    • http://vipadobotisituz.mygamesonline.org/how_does_wic_calculate_income_for_military.pdfIn PDF document text
    • http://eeuuurrrrr.space/ferigitn6tca.pdfIn PDF document text
    • https://cdn.sqhk.co/tinolefowi/icihdhk/nifurimujodaxarubomon.pdfIn PDF document text
    • https://cdn.sqhk.co/nekuripafi/fzxBghv/diary_journal_mood_tracker.pdfIn PDF document text
    • https://buserakufazuwus.weebly.com/uploads/1/3/4/0/134097478/e25be09.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://lobopekogolo.onlinewebshop.net/demezinojaturafabu.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_off0000e18c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE18C 5000 bytes
SHA-256: 5d94cf0ba1a507ed5b06fe8b32c1179b03f4291ebc0dce3914a61a7596f35177
font_01_sfnt_off0000f2b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2B2 10428 bytes
SHA-256: 9cca265b4884f4d10a1e9585bc66dbeccf2425fac5c5616cdf9f1231af91c90a

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