Malicious PDF — malware analysis report

Static analysis result for SHA-256 fbf08064144efdf1…

MALICIOUS

PDF

71.2 KB Created: 2021-02-12 08:47:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: e05db4f666d250aa74e4a648db0778a4 SHA-1: d9b12c14c78f4b9bb6d1e8e1740c2b015a611498 SHA-256: fbf08064144efdf1126b56ff7d35e4aaed577c4ac1c6d2a78f291d32a15cf20b
74 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 5

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=2012+ford+ranger+workshop+manual+pdf PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4388613/normal_5fcc7079c2681.pdfIn PDF document text
    • http://xozoxas.iblogger.org/27619223789.pdfIn PDF document text
    • https://gitufigekuxos.weebly.com/uploads/1/3/4/6/134634758/136156.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4427300/normal_5fcc8e73c0cf3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4462992/normal_600ea0300da5e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408711/normal_601fb49d31d21.pdfIn PDF document text
    • https://zepafasamog.weebly.com/uploads/1/3/4/3/134361306/digexamaruzaw.pdfIn PDF document text
    • http://migunovaj.iblogger.org/bootcamp_for_macbook_air_2015.pdfIn PDF document text
    • http://piguzipudoval.iblogger.org/33764659741.pdfIn PDF document text
    • https://midupupivubol.weebly.com/uploads/1/3/5/3/135343472/fa9d58019633ca8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4378599/normal_5fd9a352e8dbb.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4388432/normal_5fc85ffceeec6.pdfIn PDF document text
    • https://tunoworuv.weebly.com/uploads/1/3/4/0/134017870/jotan.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4485578/normal_60221c61d2c40.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4446395/normal_5fe411077a882.pdfIn PDF document text
    • http://kiwalapisetovu.iblogger.org/33423061400.pdfIn PDF document text
    • https://gapotijaj.weebly.com/uploads/1/3/1/3/131383657/8186120.pdfIn PDF document text
    • http://kufozafonole.22web.org/wifukazokiti.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://nusonakogip.epizy.com/vsco_x_fullpack.pdfIn PDF document text
    • http://wegolas.epizy.com/functional_programming_in_scala_book.pdfIn PDF document text
    • http://zizolim.rf.gd/cavernous_malformation_calcification_radiology.pdfIn PDF document text
    • http://zedovapovakodev.rf.gd/boarding_pass_template_ppt.pdfIn PDF document text
    • http://melumudinev.epizy.com/pobemiwawidiwakin.pdfIn PDF document text
    • http://zifawikixeliba.epizy.com/99812847331.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_off0000cf3d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCF3D 5844 bytes
SHA-256: fe7dd3ac170f6254ab471be2c407fefe69ccdb35525e9ffd22eb4f6b01d5dfe4
font_01_sfnt_off0000e317.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE317 13412 bytes
SHA-256: d8d002aa818587499c5656bd6ae2566b7d0017d1590d77464d0f8d1172400686

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