Malicious PDF — malware analysis report

Static analysis result for SHA-256 6adb536e1c90faa9…

MALICIOUS

PDF

92.1 KB Created: 2021-03-18 10:58:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 0f39838e3f92cac5a56d2893be0cc995 SHA-1: 724278b5970040b584c969b08f8126bb6fec7c91 SHA-256: 6adb536e1c90faa934337f5b1e589db3dc96ecb81c9ddd363a1c9642da3d691d
76 Risk Score
Tags
free-cdn-ebook-manual-lure

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 4

  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://vilenefex.ru/strik?utm_term=bon+iver+i+can%2527t+make+you+love+me%252Fnick+of+time PDF link annotation
    • http://emirofficialzm.com/6228829966mo7m0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454163/normal_6045e6682a253.pdfIn PDF document text
    • http://stebsmeh.space/napurijokupopepuxvc6j.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4388612/normal_5ff17d7c4ea6e.pdfIn PDF document text
    • http://nout-prokat.website/flute_breathing_exercisesshwbl.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4411700/normal_60244609ec027.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4447096/normal_5fc8eab7badc1.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/6278222e-cf0d-40ba-a665-a5c9ce95e2e5/28602796478.pdfIn PDF document text
    • http://zuwasezubolek.rf.gd/58724472906.pdfIn PDF document text
    • https://s3.amazonaws.com/remavuj/docker_version_18.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9367f728-4289-459c-999b-e038d7ddba98/nemofiwe.pdfIn PDF document text
    • https://s3.amazonaws.com/figidireki/password_to_justification_report_from_traces.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2a78237d-11b3-4198-9367-0ad52693bd26/how_to_price_a_logo_design_job.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9de0429a-eabd-45ad-868a-31ab4212114d/82739606674.pdfIn PDF document text
    • https://s3.amazonaws.com/ganubatebedoxez/when_did_private_prisons_start_in_us.pdfIn PDF document text
    • https://s3.amazonaws.com/baritexovopa/drawing_books_free.pdfIn PDF document text
    • http://besinaxot.epizy.com/41286211108.pdfIn PDF document text
    • https://s3.amazonaws.com/tesotiwapax/bal_krishna_pics.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/feb0110e-4c94-43d1-b484-6b04d68366ce/sony_dav-dz170_5.1_channel_dvd_home_theater_system.pdfIn PDF document text
    • https://s3.amazonaws.com/werowibovezoje/71280619535.pdfIn PDF document text
    • http://zepukedosapiw.rf.gd/94479405095.pdfIn PDF document text
    • https://s3.amazonaws.com/tezofuretejom/57540832077.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_off00012b0a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12B0A 5192 bytes
SHA-256: 4647521917eee72063f4a8d9f44510519366c8214e2cd2e6c9f619da3f6891df
font_01_sfnt_off00013cc5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13CC5 11032 bytes
SHA-256: 4613e720421ba4e5334fbcdcc1a40ba2c41deb4851c89d7ae0d0b21c700ca065

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