Malicious PDF — malware analysis report

Static analysis result for SHA-256 72bcfe1a962993c5…

MALICIOUS

PDF

73.9 KB Created: 2020-12-24 04:23:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-28
MD5: 873c723d53c967d48791e18c3df29092 SHA-1: 3e293e34f9eccb107791aff6369ff941becf2f5d SHA-256: 72bcfe1a962993c59c6c44cf09bd8ff85513c3a0a4fc05b058c51cec0f1eee41
196 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.
  • 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://traffnew.ru/wb?keyword=dwyane%20wade%20stats%202011%20finals PDF link annotation
    • https://rujemadatidugu.weebly.com/uploads/1/3/4/7/134747735/poguxutew.pdfIn PDF document text
    • https://kepopuratitub.weebly.com/uploads/1/3/4/3/134378339/6b6b9.pdfIn PDF document text
    • https://rabugotekinevod.weebly.com/uploads/1/3/1/8/131871666/b0bba2e3.pdfIn PDF document text
    • https://wizejuxexena.weebly.com/uploads/1/3/4/6/134655833/3630677.pdfIn PDF document text
    • https://gakupimofol.weebly.com/uploads/1/3/4/5/134583622/853a4267c96f60.pdfIn PDF document text
    • https://sobegivi.weebly.com/uploads/1/3/4/3/134311910/656454.pdfIn PDF document text
    • https://mabunamu.weebly.com/uploads/1/3/4/9/134902385/8cb7184747d43ad.pdfIn PDF document text
    • https://votuxujalesobe.weebly.com/uploads/1/3/4/6/134683371/42e76d21c1bbf.pdfIn PDF document text
    • https://bapoxaluw.weebly.com/uploads/1/3/4/7/134717037/vaketurep_zinebuvis_dalepeniba_mofupu.pdfIn PDF document text
    • https://pevaluxuduta.weebly.com/uploads/1/3/4/5/134502983/a9d20dec007e.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/juvosi/karifopenolunis.pdfIn PDF document text
    • https://s3.amazonaws.com/kijelopazekune/disney_cinderella_1950_full_movie.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/196fb7a5-de11-45f2-a773-3ad76621ba38/tarof.pdfIn PDF document text
    • https://s3.amazonaws.com/sewamos/antivirus_free_2019_apkpure.pdfIn PDF document text
    • https://s3.amazonaws.com/tuxutedi/wuxajefoxosajekinu.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_off0000e454.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE454 5324 bytes
SHA-256: 9fad977bb43d305850e92b5482fa4c4314386c5aed141e4bd9968fd5151891a2
font_01_sfnt_off0000f6ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF6AC 10396 bytes
SHA-256: 84469283af88f96eb8b50060a7477d580afaf76bf42cb02058e41dd20453bfda

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