Malicious PDF — malware analysis report

Static analysis result for SHA-256 06c6ac75ec5367e6…

MALICIOUS

PDF

68.4 KB Created: 2021-03-16 03:28:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 68ce9540a43139eee70c49e4aa87b4ff SHA-1: cf708968e313cc9f2b83b17a005c541b72f299ff SHA-256: 06c6ac75ec5367e6a2a2535fda0d9e9836c5208aa6579827bc73e2358ec65cac
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://jumiwimov.ru/wix?keyword=vampire+diaries+saison+7+streaming PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4369671/normal_6035a1db476d7.pdfIn PDF document text
    • http://copyright-supporthelp.com/davekudusepodazedusavqmxyy.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4489245/normal_6038567fbfe30.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450340/normal_600d575ccc50e.pdfIn PDF document text
    • http://gamukanemafutu.mywebcommunity.org/alta_medica_imss.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379744/normal_5fcfaa8b760f7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4475719/normal_601ec3ad0e725.pdfIn PDF document text
    • http://fenellalucynelle.info/zokefamuluwowapojabhfywp.pdfIn PDF document text
    • http://wugumonisukanib.sportsontheweb.net/on_bended_knee_i_come_chords.pdfIn PDF document text
    • http://chategratis.online/will_there_be_another_scary_stories_to_tell_in_the_darkw8ahv.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4483855/normal_60221c2c465e0.pdfIn PDF document text
    • https://lizifonaw.weebly.com/uploads/1/3/2/3/132302762/dowarirumivo_biwes_zenederurow_navobig.pdfIn PDF document text
    • https://jikezukirex.weebly.com/uploads/1/3/1/3/131383594/subeniwo-nenudewoj.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403938/normal_5fdba82a8e339.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4485705/normal_5fe41f44d7118.pdfIn PDF document text
    • http://xoroketogejuxe.mywebcommunity.org/78728350862.pdfIn PDF document text
    • http://rebezun.mygamesonline.org/lasugavafeluvudujabefetuw.pdfIn PDF document text
    • http://tryplafond.xyz/vovatiwegjfks5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4459784/normal_6040b40710538.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://vumamuv.myartsonline.com/wetesuxejegadodepal.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_off0000cad8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCAD8 5292 bytes
SHA-256: 1e8eccefb968eb663aade479fe38cb384004de9bae3ed1a76133c964825d0783
font_01_sfnt_off0000dccb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDCCB 11668 bytes
SHA-256: 00004e2ac45811d698e27f751a35941b814597d2bd1f44f323a9709ec3e6793a

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