Malicious PDF — malware analysis report

Static analysis result for SHA-256 af200b70c883aa2e…

MALICIOUS

PDF

76.4 KB Created: 2020-12-29 23:51:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-21
MD5: 268bb759d1c7bb6bbc49a668acc3bc46 SHA-1: fdde755e014d8f384b3d2a596e1fdc55657b1e99 SHA-256: af200b70c883aa2e135644ab5b0a12ff585c82e001038297ba976ce3ea0fa64a
196 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.
  • 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://trafficel.ru/wb?keyword=photo%20collage%20ideas%20for%20girlfriend PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4487897/normal_5fab2583be565.pdfIn PDF document text
    • https://tanaxigurav.weebly.com/uploads/1/3/4/2/134266775/4c2cb17da89382.pdfIn PDF document text
    • https://likuxosudiva.weebly.com/uploads/1/3/4/6/134603152/metubuwalosovemifaw.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4417986/normal_5fdd1ac492dfa.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369933/normal_5f8ca9b52a584.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4392452/normal_5f8f947c45e92.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4387706/normal_5fde6c8724baa.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/da34bac4-4881-4a24-a674-88a61c7084a9/street_fighter_iv_hd_apk_v1.00.03__data.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/914cdde5-0338-42cd-b3ac-637a26349a14/one_point_perspective_perfect_cube.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/728f2740-a910-4a8a-a4e2-552c89f8f7fa/31962169495.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d11853c1-c38b-4848-a066-95fe8282ab50/music_player_10_band_equalizer_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/fizup/formal_complaint_letter_hostile_work_environment.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d4664dfb-09d7-421f-8b3a-7be87746b05c/87979268899.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7a733074-f5e7-40e8-9c4b-11bc2fde0d2d/47532141182.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_off0000efe8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEFE8 5284 bytes
SHA-256: 73687ca5424aea9d7690ffdf16650cfdf53cbe1a1cf254201b4b3dbe4675b6c7
font_01_sfnt_off000101db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x101DB 10360 bytes
SHA-256: b26f8bba08f377799e3016b476beda55b216b3e84e6cd17fe9f1f0bbf69805f3

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