Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0c3f7c0a00601e1…

MALICIOUS

PDF

65.9 KB Created: 2020-11-24 02:52:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-04-05
MD5: 0327261a5ccff19e1add1f221f410363 SHA-1: 844b42a8852dde5e434910165221506aa61126b1 SHA-256: f0c3f7c0a00601e16c488375f8ef4ca07fec1f88b4bfb70b222bdd90148a9135
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://trafficel.ru/wb?keyword=mediaf%C4%B1re%20er%20apk%20for%20pc PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4443588/normal_5fb40f8197202.pdfIn PDF document text
    • https://s3.amazonaws.com/kakekojezutok/free_download_responsive_mega_menu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369143/normal_5fb745a932e28.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374522/normal_5fa98ddfebf32.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375696/normal_5f8eac665cab0.pdfIn PDF document text
    • https://bujibapi.weebly.com/uploads/1/3/4/3/134383234/piduzi.pdfIn PDF document text
    • https://s3.amazonaws.com/fedufiporara/gizutikonisisigaf.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370778/normal_5fa8e273604e2.pdfIn PDF document text
    • https://s3.amazonaws.com/werowibovezoje/aadhar_enrollment_form_free.pdfIn PDF document text
    • https://basivukapipex.weebly.com/uploads/1/3/4/5/134528325/1297323.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000c429.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000c429.bin)
    • https://uploads.strikinglycdn.com/files/5f16b269-ce56-416e-b7e8-f62fbdaedba0/xujijaxugubufinebisiwij.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 extracted file (font_00_sfnt_off0000c429.bin)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c429.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC429 5040 bytes
SHA-256: 93c25b2d6da39704092c6569929e2f19fac4ca9acf73f42d769566bfa31d4e03
font_01_sfnt_off0000d57c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD57C 10952 bytes
SHA-256: 721bb4bebda9b7edae96d68622c709919dc8b05b7b888630a26782f38c3d3460