Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ee66a2308a10580…

MALICIOUS

PDF

71.7 KB Created: 2021-02-24 01:38:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: e98e15bf0edd30e6b2dd42d2e84389a7 SHA-1: 77e93d2f6ff4e7f68a0f2bb2276206402d842816 SHA-256: 9ee66a2308a105806607f04b38fffc3d9230aec7ac67c149d712bb4bc72f9c2e
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://druttle.ru/wix?keyword=convert+manual+to+automatic+motorcycle PDF link annotation
    • https://balesiloruj.weebly.com/uploads/1/3/4/6/134671801/jizaw.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4492555/normal_5fe42c25de446.pdfIn PDF document text
    • http://lnstagram-copyright-supports.com/70955587586yjpib.pdfIn PDF document text
    • https://gipurama.weebly.com/uploads/1/3/5/9/135966135/f36666ea17cd.pdfIn PDF document text
    • https://ruwawakutiro.weebly.com/uploads/1/3/0/8/130874672/zenadajadek-pilaloriku-tedidupu-liselokewuvetu.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4392463/normal_5ff5954e56d57.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4488090/normal_600dba00e2667.pdfIn PDF document text
    • https://mizilugodipibo.weebly.com/uploads/1/3/0/8/130813887/53b96d805.pdfIn PDF document text
    • https://lolimesiwazefa.weebly.com/uploads/1/3/2/7/132712373/1824825.pdfIn PDF document text
    • http://abwaab.su/cv_template_word_gratis_enzv2cg.pdfIn PDF document text
    • https://berizekaxijaj.weebly.com/uploads/1/3/4/5/134501449/9027155.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459785/normal_60080a93999a3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4453908/normal_60184f021c5e4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4492900/normal_6023f8aa76dd9.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4365525/normal_5fdee466caf28.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408001/normal_6031f4716643c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4457876/normal_601e2f10e7bc8.pdfIn PDF document text
    • https://vadizomozizi.weebly.com/uploads/1/3/5/4/135400682/8602181.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388827/normal_60226954e61af.pdfIn PDF document text
    • https://girezerel.weebly.com/uploads/1/3/1/0/131070389/ac41c8f98.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4471273/normal_601e807778884.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_off0000dde4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDDE4 4836 bytes
SHA-256: 9ae7973bf35d99a94840425de302eb975f4dfe60caf47e77a63befe48075a861
font_01_sfnt_off0000ee42.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE42 10288 bytes
SHA-256: 87f5fb501aef44bd204312cd9c3c36f5aabaf0051301776e40c0f03ead60c4da

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