Malicious PDF — malware analysis report

Static analysis result for SHA-256 292bdadc65788f83…

MALICIOUS

PDF

71.0 KB Created: 2021-03-06 01:27:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: ebb2963374ecb244102e820b166dcf06 SHA-1: 0a1aee7c5f359b8d5f7f8bc8722ad61a0620696d SHA-256: 292bdadc65788f8360f035d83721e11ab907e206454c0fb942dc8f5e7744b9d8
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://jumiwimov.ru/award?keyword=how+do+i+reset+my+wd+my+cloud+mirror PDF link annotation
    • http://testvvd.xyz/samaratetezote1fs3h.pdfIn PDF document text
    • http://health2health.online/fafopakobolepafamuvananig2vikc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446280/normal_603bddf8c7f48.pdfIn PDF document text
    • https://voledepegos.weebly.com/uploads/1/3/1/4/131407008/7807569.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393624/normal_5fe819ad73d16.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4376609/normal_5fe8d02d82da0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366652/normal_602aad502e96b.pdfIn PDF document text
    • https://latibexuwer.weebly.com/uploads/1/3/0/7/130776356/23f191.pdfIn PDF document text
    • https://wadonado.weebly.com/uploads/1/3/4/6/134677460/doreduj.pdfIn PDF document text
    • http://venira.su/yasuo_adc_guiderbsyh.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454171/normal_602543c29e21f.pdfIn PDF document text
    • http://apelsins.space/lyreco_multi_purpose_labels_templatewbe2e.pdfIn PDF document text
    • https://mafetoga.weebly.com/uploads/1/3/0/8/130874134/07be6cbae9a7007.pdfIn PDF document text
    • https://wixotavu.weebly.com/uploads/1/3/4/7/134764887/josikeg.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412379/normal_602304e65b589.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4384048/normal_6003d2c4c336f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450418/normal_5fd24e7c2ea2b.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/baxadelefofibuz/kenya_tourist_board_annual_report.pdfIn PDF document text
    • https://ee60c613-3dd1-430d-b711-08e3dcbf0273.filesusr.com/ugd/19ce5d_96699dfe2b064498b675e409bbc59676.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/neviwove/6972416228.pdfIn PDF document text
    • https://76ed6b59-b034-43ac-b949-e1c08f76e3cb.filesusr.com/ugd/ee6100_254c9f1894ff4fc8b4094a830802bdd8.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/rodigapigeta/xemobapunisuvunajameme.pdfIn PDF document text
    • https://s3.amazonaws.com/wifiduxezo/befer.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_off0000db94.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB94 5032 bytes
SHA-256: 20a10be0c01914859a294d4602c0fb05fcf5e2ff86b76d8d96b60cc8ca289a2f
font_01_sfnt_off0000ecae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xECAE 9936 bytes
SHA-256: 7a71c0221147785e74abc384d76c5f83ee0901e023a995a68672d85eede9a030

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