Malicious PDF — malware analysis report

Static analysis result for SHA-256 011bfba278ff6157…

MALICIOUS

PDF

92.1 KB Created: 2021-03-13 16:50:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-28
MD5: 9eb7f3ce00bb9341ac472c3e820a8e05 SHA-1: 54f9a4ec68506e617dca9ee9dc61fcdf19b676a6 SHA-256: 011bfba278ff6157d4f2b5537826a2de5041c912b3683d8cb2aa6716c9e25635
196 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://botokaw.ru/strik?utm_term=big+nate+in+the+zone+full+book+free+pdf PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4463792/normal_5fec417fa7dc1.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4365584/normal_60011f48553fc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4443617/normal_6035f9a27a586.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4491673/normal_5fff455f29de6.pdfIn PDF document text
    • http://feyakast.online/51336567375f5cvf.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367905/normal_601334bd29941.pdfIn PDF document text
    • https://bijejosuti.weebly.com/uploads/1/3/1/6/131637047/zenado-siwojoviw.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4456998/normal_5ff52f30c8fed.pdfIn PDF document text
    • https://tiputanamadavok.weebly.com/uploads/1/3/5/3/135314880/20ad66.pdfIn PDF document text
    • https://miwevedadig.weebly.com/uploads/1/3/1/4/131437981/belidalul.pdfIn PDF document text
    • http://allrecipes.pro/using_javascript_variable_in_htmldxwqq.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4427093/normal_6043e90b835ec.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4458388/normal_6040aa3835684.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4406497/normal_5fee2a8028583.pdfIn PDF document text
    • https://dubakaxejevam.weebly.com/uploads/1/3/2/6/132696109/tipuwezixovune-guxapogufakad-dotewozodaz-kamekukuvuju.pdfIn PDF document text
    • http://topfrag.rip/megovofavedigefibovigmxho.pdfIn PDF document text
    • https://fijudemi.weebly.com/uploads/1/3/4/4/134400988/3728382.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00012896.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00012896.bin)
    • http://sebipukavore.epizy.com/26965232788.pdfIn PDF document text
    • https://882e4f53-a7e1-4d4a-89e8-a6e6d9f9b805.filesusr.com/ugd/9a13d2_444cecd884b74301bbc50b7b309c755d.pdf?index=trueIn PDF document text
    • http://velawomonoxejuz.epizy.com/9517093452.pdfIn PDF document text
    • http://lisuronam.rf.gd/toro_snowblower_repair_service.pdfIn PDF document text
    • http://zugoxovok.epizy.com/changing_to_word_on_iphone.pdfIn PDF document text
    • http://fipuxogililego.epizy.com/81658638138.pdfIn PDF document text
    • https://1ffb5d6c-d890-49e0-9b87-dc10fbfa49e2.filesusr.com/ugd/8bc2a6_ef7b7ec9d53449ea9f8e8607f0fcf2a1.pdf?index=trueIn 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 extracted file (font_00_sfnt_off00012896.bin)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00012896.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12896 5428 bytes
SHA-256: c45c2c53d814c3b7e2565ae81683ab9422b426fc8c8840246d0e5a8e5831c882
font_01_sfnt_off00013b14.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13B14 11940 bytes
SHA-256: e66cf187ab22739b55fe9d29888220b62a92a28a66dec11e4b2bfff440fa6f02