Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa808f9a67d94660…

MALICIOUS

PDF

65.4 KB Created: 2020-12-16 05:31:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-07
MD5: 7261a6161fc765c37a9e23160724feb3 SHA-1: eacbbc43b9052c029a4489b3212fe57b68b747d5 SHA-256: aa808f9a67d946602841f4205c13fd62eebd8526476a99a18672f1d56f35e3c8
196 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.
  • 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://traffset.ru/wb?keyword=tropical%20storm%20karen%20forms PDF link annotation
    • https://gororumemi.weebly.com/uploads/1/3/4/5/134517819/latabevo.pdfIn PDF document text
    • https://nudojafobedem.weebly.com/uploads/1/3/1/3/131379550/d069c180a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409801/normal_5fa01dc0dc123.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/bokofapig/97989845747.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0c991c6d9645836219624/t/5fc353c93f75b166433ec15c/1606636490175/live_music_census_2017.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbe3b749ee0f32b871f4e24/1606302581986/2623188093.pdfIn PDF document text
    • https://s3.amazonaws.com/jevuxozazebazug/mabanipirovawud.pdfIn PDF document text
    • https://s3.amazonaws.com/subud/gulepiliparobu.pdfIn PDF document text
    • https://s3.amazonaws.com/latufenaw/rimopu.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc6980f8787e87989936d8a/t/5fd68e5196ed101a3e479170/1607896657744/canoscan_9000f_mark_ii_on_screen_manual.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_off0000c14f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC14F 5172 bytes
SHA-256: b117baf7994197f43deee2b838d95e546c5765f09acc4476207cb339e72488a5
font_01_sfnt_off0000d2cf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD2CF 10828 bytes
SHA-256: d1ad0978b95525d756dc3e4965b428018116cc5b3b0e95cf83b59257f44c52c6

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