Malicious PDF — malware analysis report

Static analysis result for SHA-256 af2cc6c611704678…

MALICIOUS

PDF

82.9 KB Created: 2021-02-27 15:10:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-21
MD5: 97321c32e4e949e9444970affde25ff0 SHA-1: 478470de61292ddcd4871fb87241fba5c31768f8 SHA-256: af2cc6c611704678b849bd2f9e4a16c1ab2290fbfa40b50cbd20f23c16ca9d59
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://jacksth.ru/wix?keyword=felice+fawn+lauren+cook PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4384639/normal_5fe63b0d64e76.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380211/normal_60127a5808d86.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4402712/normal_6008f5569069f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4496616/normal_5fd78f5070b17.pdfIn PDF document text
    • https://wisokovunali.weebly.com/uploads/1/3/6/0/136051549/2993027.pdfIn PDF document text
    • https://fokutape.weebly.com/uploads/1/3/2/8/132814024/6361835.pdfIn PDF document text
    • https://jujoxiro.weebly.com/uploads/1/3/4/8/134875196/8554645.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4492259/normal_5fde33dc781a1.pdfIn PDF document text
    • https://nizakibete.weebly.com/uploads/1/3/4/3/134386075/5005995.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://sonasekofuxix.rf.gd/24678854808.pdfIn PDF document text
    • https://s3.amazonaws.com/fobupojowojon/sawefezusa.pdfIn PDF document text
    • https://s3.amazonaws.com/gazivemon/vawitatezu.pdfIn PDF document text
    • https://s3.amazonaws.com/tuxexi/puwoguwiworusigaritul.pdfIn PDF document text
    • https://s3.amazonaws.com/jinabom/30466883977.pdfIn PDF document text
    • https://s3.amazonaws.com/bogeguva/peributo.pdfIn PDF document text
    • https://s3.amazonaws.com/tetofamuxulil/nasaxuragukex.pdfIn PDF document text
    • https://s3.amazonaws.com/jiguwuzobozobaz/5017871126.pdfIn PDF document text
    • https://s3.amazonaws.com/mexijegedakol/media_creation_tool_windows_8.pdfIn PDF document text
    • http://vakusidoler.epizy.com/elizabethan_serenade_sheet_music.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ea29.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA29 4808 bytes
SHA-256: 1d39ee6460f76df8df903d36fd0492da53f7d0dc51c9e62e8bc08523e41087a5
font_01_sfnt_off0000faa4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFAA4 1800 bytes
SHA-256: 51ebeec29509b87aa858d500e37ac8853184703d07d1f913ce36d8e1dc7764c0
font_02_sfnt_off00010332.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10332 10468 bytes
SHA-256: e0846c72c8b90510f903f01a8b0cf02467587d3f6c7c1b2d62b22d6aaaad220c
font_03_sfnt_off00012713.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12713 16660 bytes
SHA-256: 6b5fadd2f52bc1ca77e7aa2b1b7aa60fe2d97728aca7f1a06ec49f887284dfb6

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