Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e569a58a1640e44…

MALICIOUS

PDF

70.0 KB Created: 2021-02-11 18:59:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 77e82b646e96130d3d5f5a30ce5c54b3 SHA-1: 002b39834abb0f029e28fb6c72befb74f4588130 SHA-256: 5e569a58a1640e44d39b19b6acce93b8fc2cca1c65f430be7c894e8dad4deac6
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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/wix?keyword=farming+simulator+16+apk+download+free PDF link annotation
    • https://fuvetowonilup.weebly.com/uploads/1/3/1/3/131383456/7b1a8a2d2.pdfIn PDF document text
    • http://freedate18.xyz/train_driving_game_download_softonicu0x8z.pdfIn PDF document text
    • http://simultaneously.space/vubalevirurekitutopaxekigy4tme.pdfIn PDF document text
    • http://tb-films.ru/tinder_apk_older_versions7ga6d.pdfIn PDF document text
    • https://xokefinodoju.weebly.com/uploads/1/3/5/3/135316617/3350017.pdfIn PDF document text
    • https://cdn.sqhk.co/fudopalizew/GMieujj/turtle_80s_arcade_games_list.pdfIn PDF document text
    • https://dexisuliraj.weebly.com/uploads/1/3/5/3/135346252/1897326.pdfIn PDF document text
    • https://fekazivijiwawad.weebly.com/uploads/1/3/4/6/134687088/ziwepabopane.pdfIn PDF document text
    • https://vufevilasok.weebly.com/uploads/1/3/4/3/134314299/xirotesebezemanogefo.pdfIn PDF document text
    • http://armlur.space/udemy_er_androidhwiw3.pdfIn PDF document text
    • http://docita.fun/anushka_sen_photos_hd_wallpaperv27gu.pdfIn PDF document text
    • https://fifukujujaki.weebly.com/uploads/1/3/2/6/132680890/f9851d37.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383800/normal_602475c738cb4.pdfIn PDF document text
    • https://molisepav.weebly.com/uploads/1/3/5/3/135347716/56a548ddc6.pdfIn PDF document text
    • https://panasijizikefiz.weebly.com/uploads/1/3/4/4/134446590/takukikido-tifixemejubat-sewepulu-zapitikamowepe.pdfIn PDF document text
    • https://cdn.sqhk.co/gutemokerezo/fjfgjgg/helix_spiral_ball_jump_2.pdfIn PDF document text
    • https://wewokidopubix.weebly.com/uploads/1/3/0/8/130873978/vixijugod-wobiba-zarijibibi-fiwonesuwoparev.pdfIn PDF document text
    • https://nuniladolu.weebly.com/uploads/1/3/0/7/130775245/a82f9b90.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403806/normal_601487138dcd5.pdfIn PDF document text
    • https://kelebewo.weebly.com/uploads/1/3/4/3/134359650/jotenol.pdfIn PDF document text
    • https://cdn.sqhk.co/demexadol/t18ibgh/chennai_super_kings_next_match_schedule.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_off0000d468.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD468 5676 bytes
SHA-256: e58d17498437bea2692009a083aeaa18943f90bf9edbe159f3167ee3d0773c18
font_01_sfnt_off0000e7c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE7C1 10192 bytes
SHA-256: 5f3456588ce6a4d2c14533c322442669785a2ea69610d44a350b43bfcbc6081c

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