Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a92f9540de96bd4…

MALICIOUS

PDF

69.2 KB Created: 2021-03-07 19:55:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 054ea616ab659f829c44975f4f9edd3b SHA-1: 30adec40778711083b155540c4d61d54985cbf5b SHA-256: 6a92f9540de96bd4d71cd126421a468f7e973078248abb76b78d6633f3f70149
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://xajibur.ru/award?keyword=craftsman+200+mph+leaf+blower+spark+plug PDF link annotation
    • https://duwifugikez.weebly.com/uploads/1/3/5/3/135351140/7d1c7d94844.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4387230/normal_5fcd270bb2ed1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4419437/normal_5fd8a234499d3.pdfIn PDF document text
    • http://favodokoleti.mypressonline.com/tozuzinuzofasukexuwele.pdfIn PDF document text
    • https://namavikevak.weebly.com/uploads/1/3/2/7/132740743/ba39aed1f0059.pdfIn PDF document text
    • https://panidulupeju.weebly.com/uploads/1/3/0/9/130969186/ee595a4757.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4453560/normal_600412f588749.pdfIn PDF document text
    • http://riwotivadejud.sportsontheweb.net/la_catedral_del_mar_serie_reparto_completo.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4375907/normal_5fde23d1270b0.pdfIn PDF document text
    • https://latopilufazi.weebly.com/uploads/1/3/4/0/134017217/fb6aaea563.pdfIn PDF document text
    • https://lumovomudin.weebly.com/uploads/1/3/4/7/134704265/xavan.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4499935/normal_6035b148f2ddb.pdfIn PDF document text
    • http://suzamajotibe.mywebcommunity.org/kanesudusiwarejimefe.pdfIn PDF document text
    • http://navevukosuso.mypressonline.com/the_crucible_act_1_characterization_chart.pdfIn PDF document text
    • https://namosozevo.weebly.com/uploads/1/3/0/9/130969937/9c6b90164d15.pdfIn PDF document text
    • http://xexevigaje.22web.org/37165653234.pdfIn PDF document text
    • https://jopakawinotu.weebly.com/uploads/1/3/1/4/131407654/bemipa_bipomofodisil_wapakazexuruxal.pdfIn PDF document text
    • http://jesawukimefix.mypressonline.com/nojukew.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://vipoxegoto.rf.gd/can_any_vizio_remote_work_with_any_vizio_tv.pdfIn PDF document text
    • http://kadizilurojiniz.onlinewebshop.net/sedona_method_book.pdfIn PDF document text
    • http://jiwimid.epizy.com/81213283503.pdfIn PDF document text
    • http://rulamiji.onlinewebshop.net/56863560966.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_off0000d019.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD019 5788 bytes
SHA-256: 6cc4e9ccf53a066fa2295b425b0180f1634a17ce25874d69b58e72f26d9ad1b3
font_01_sfnt_off0000e3b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE3B6 10324 bytes
SHA-256: 81e561d915efcc1c22f688b46b9bb53d703132f41f6cdb9f85aa7afbb8428777

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