Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd0f2929e777238a…

MALICIOUS

PDF

71.5 KB Created: 2021-03-06 02:30:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: dad21024c80cd54647b01a28ced99c7f SHA-1: da77fcb59703ef615f86f3a648c9e110e4ce4f1b SHA-256: cd0f2929e777238a4d0a603c2738ca130e37ffa9f4f2903648bfe4f25c2ef2b6
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://leonvi.ru/wix?keyword=the+better+man+project+bill+phillips+pdf PDF link annotation
    • https://putomusozozor.weebly.com/uploads/1/3/4/3/134321488/xapev.pdfIn PDF document text
    • https://pezawixutumef.weebly.com/uploads/1/3/1/1/131164564/rimuxasixasasedarit.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4416669/normal_5fc9454d73392.pdfIn PDF document text
    • https://cdn.sqhk.co/toxinize/gi3ih3D/97461811936.pdfIn PDF document text
    • http://bagerisevi.scienceontheweb.net/how_to_find_z_percentile.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4403533/normal_5fd0791f99691.pdfIn PDF document text
    • http://nopuvobetag.mygamesonline.org/germany_1910_5_pfennig.pdfIn PDF document text
    • https://sawulazu.weebly.com/uploads/1/3/4/5/134588127/3463173.pdfIn PDF document text
    • https://midodelawipage.weebly.com/uploads/1/3/4/5/134585137/5608849.pdfIn PDF document text
    • https://cdn.sqhk.co/bejamisokepu/a9oxD3X/virtual_families_lite_mod_apk_money.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367268/normal_5fe81c6d480c5.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4503767/normal_5ffc8a0369b6c.pdfIn PDF document text
    • https://betixajivuf.weebly.com/uploads/1/3/4/9/134900014/2f2841.pdfIn PDF document text
    • https://tapidokebijimub.weebly.com/uploads/1/3/4/5/134577153/vejivoveb_wisigon.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366959/normal_5fc9b2afe6406.pdfIn PDF document text
    • https://cdn.sqhk.co/mizipudi/hXjgRhh/zubemejowoluraparekedexer.pdfIn PDF document text
    • http://nebatomefov.scienceontheweb.net/2661865483.pdfIn PDF document text
    • https://sasanufodokedu.weebly.com/uploads/1/3/0/9/130969760/f1e220.pdfIn PDF document text
    • http://bezigex.iblogger.org/calculus_and_its_applications_11th_edition_answers.pdfIn PDF document text
    • https://wukelefitifaka.weebly.com/uploads/1/3/4/8/134882985/7931128.pdfIn PDF document text
    • https://cdn.sqhk.co/vowibesep/dzhdhfP/3045460776.pdfIn PDF document text
    • https://cdn.sqhk.co/lojegalivo/CichjjB/84442333610.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://rizinesuri.epizy.com/princess_guide_game_wiki.pdfIn PDF document text
    • http://nerepigov.rf.gd/86611019593.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_off0000db17.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB17 5560 bytes
SHA-256: 18059612e0c16ad5d83cf00f24b017de9f47b4815f4563f5d3c608a48889a98c
font_01_sfnt_off0000edca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDCA 10140 bytes
SHA-256: 43253216a60d17d43859193c25be6cc60ef4c1482508b302c67cf49372091945

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