Malicious PDF — malware analysis report

Static analysis result for SHA-256 af2fb008a11c3c5c…

MALICIOUS

PDF

79.6 KB Created: 2021-01-30 20:18:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-22
MD5: 861eada0f6e639fb655ef3e882a09205 SHA-1: 90565a4e328315d6f90c6279e2701ce07918ac5e SHA-256: af2fb008a11c3c5c72e074d6a9382fe0ca73a760031ca706b7b2dda64ba885e1
164 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • SEO-redirector lure link (multi-word utm_term) low PDF_SEO_UTM_REDIRECTOR_LINK
    PDF contains a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the search-keyword gateway used by the 'free document download' phishing family. Surfaced as an IOC; on its own this is a low-confidence signal.
  • 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://trafffe.ru/wb?keyword=he%20doesn PDF link annotation
    • https://cdn.sqhk.co/laripikiwafo/yUT9Ahd/marco_s_pizza_locations_in_arizona.pdfIn PDF document text
    • https://cdn.sqhk.co/jixuvepabu/hiigjg7/vuwojapaw.pdfIn PDF document text
    • https://luzatewuxajexi.weebly.com/uploads/1/3/4/2/134265782/totokofizovavewiral.pdfIn PDF document text
    • https://boleturem.weebly.com/uploads/1/3/4/3/134398498/voxanu.pdfIn PDF document text
    • https://savibivo.weebly.com/uploads/1/3/1/3/131381036/8194662.pdfIn PDF document text
    • https://xesukalo.weebly.com/uploads/1/3/5/3/135311970/25fca.pdfIn PDF document text
    • https://rabidibizuzej.weebly.com/uploads/1/3/4/6/134648686/guvoxupun_gidoxom_ruvezetudo.pdfIn PDF document text
    • https://cdn.sqhk.co/pevejotomoma/qjdqLji/nesud.pdfIn PDF document text
    • https://mesasijodise.weebly.com/uploads/1/3/5/3/135315214/87bcd2010b91574.pdfIn PDF document text
    • https://robaralimojo.weebly.com/uploads/1/3/0/8/130814718/xoxibaw.pdfIn PDF document text
    • https://nedetuvozuwe.weebly.com/uploads/1/3/4/6/134699612/fozonatuxi.pdfIn PDF document text
    • https://zuwumepegowivos.weebly.com/uploads/1/3/1/0/131069935/jawozemasa.pdfIn PDF document text
    • https://trafffe.ru/wb?keyword=he%20doesn'%20t%20want%20to%20marry%20mePDF link annotation
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/fatisake/master_of_money_sunday_adelaja.pdfIn PDF document text
    • https://s3.amazonaws.com/tokatefozude/11019522185.pdfIn PDF document text
    • https://s3.amazonaws.com/kukupunopedon/46382576981.pdfIn PDF document text
    • https://s3.amazonaws.com/gebukil/durban_poison_grow_guide.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000efa4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEFA4 4868 bytes
SHA-256: e8df8ef1d1cc4c7c333fdc009796093b0a32e89e0a58665319e251dc45e4573c
font_01_sfnt_off00010021.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10021 10188 bytes
SHA-256: 12f85565e69a7aa09d7c56bb178afff72b2515ea95c7f398bda769e862ff860d
font_02_sfnt_off000122fb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x122FB 4324 bytes
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333