Malicious PDF — malware analysis report

Static analysis result for SHA-256 72b2246c0f1cc3ee…

MALICIOUS

PDF

72.5 KB Created: 2021-01-29 23:56:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-28
MD5: 6d418730f922ce65cc77fae85b9c0b9b SHA-1: eeaa384e66390a30e3a2facc9b74401cfc966465 SHA-256: 72b2246c0f1cc3ee00beceec92df3d3e80ee52854052071c9f7c858f9b66c613
254 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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://gettraff.ru/wb?keyword=chocolate%20pudding%20angel%20food%20cake%20recipe In PDF document text
    • http://9gusevshop.website/wosojevurartylsn.pdfIn PDF document text
    • https://toripifisesu.weebly.com/uploads/1/3/4/3/134367164/4815200.pdfIn PDF document text
    • http://bubble1.space/zetewikutaxubasbyvmj.pdfIn PDF document text
    • https://feloxoxux.weebly.com/uploads/1/3/4/0/134000485/wateveboxobibunek.pdfIn PDF document text
    • http://batmbatm.ru/94846618217zungv.pdfIn PDF document text
    • http://summ-green.fun/183707823568ih1t.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4409236/normal_6007eb1c43fc1.pdfIn PDF document text
    • http://eyebrowthreadingdallastx.com/79514139441m0gh8.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4444098/normal_5fe083da524a8.pdfIn PDF document text
    • http://montana-media.com/92697358332h1yck.pdfIn PDF document text
    • http://kyponnik.online/suvotonexasomipogilidip3n44.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/gajabedafot/gegipore.pdfIn PDF document text
    • https://s3.amazonaws.com/falevi/dnd_5e_tomb_of_annihilation.pdfIn PDF document text
    • http://junedujivoxoz.epizy.com/stoke_newington_sixth_form_jobs.pdfIn PDF document text
    • https://s3.amazonaws.com/wupiwupiwot/9604580567.pdfIn PDF document text
    • https://s3.amazonaws.com/kalanejaxutilif/display_de_7_segmentos_anodo_comun_datasheet.pdfIn PDF document text
    • http://lafeseg.rf.gd/27222850970.pdfIn PDF document text
    • https://s3.amazonaws.com/vuterijoze/ccis_philadelphia_application.pdfIn PDF document text
    • http://kexemejalo.epizy.com/96796482854.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_off0000decb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDECB 5208 bytes
SHA-256: ef718c135bc9ec6071734f26513598fbd6413f35bec16c820603bf772e64a97b
font_01_sfnt_off0000f081.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF081 10636 bytes
SHA-256: 27dc9a09f919c8c9cd83a51e3dadf38a0dec899b792bbb2e9e38511b2fcdacc7

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