Malicious PDF — malware analysis report

Static analysis result for SHA-256 035693afd123748c…

MALICIOUS

PDF

113.0 KB Created: 2020-08-06 14:24:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f6630b2a31979e3d0586dd58b8ddf22d SHA-1: 662a3cd3b05d6b35148a9dd6762a71583ecdcdb4 SHA-256: 035693afd123748c91ecaa00dbe9d4745a6ab97d25c5fe86d49ade4ef7d4cc40
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links designed to appear as legitimate book downloads, but they redirect to a malicious infrastructure. The heuristic PDF_SEO_LINK_FARM indicates a large number of these links, and PDF_MALICIOUS_REDIRECTOR_LINK specifically flags the primary redirector URL. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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://ttraff.cc/pify?keyword=akira+kurosawa+book+pdf In PDF document text
    • http://guwel.kwhitewc.com/uploads/1/3/0/7/130775823/5204515.pdfIn PDF document text
    • http://files.erdyl.com/uploads/1/3/1/4/131437074/8010484.pdfIn PDF document text
    • http://files.darkeststargames.com/uploads/1/3/1/4/131406173/tovavekel_talugutanin_xupifofipuwil_zalaxibu.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9520/3745/files/xageluvas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1348/9318/files/womorovuvomidux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4279/8757/files/93086734082.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7968/7574/files/coleman_powermate_parts.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5047/4399/files/gate_2020_syllabus_for_electrical_engineering.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/93867881616.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9607/0560/files/rejuxosenowod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6731/8167/files/mexuwebavoposuligudon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3123/2675/files/blood_angels_8th_edition_codex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7921/2959/files/sosesuwipurafazame.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6073/1808/files/naga_sadows_midichlorian_count.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5354/7677/files/vizariwoluzexumiteva.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5525/1605/files/4235585909.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

Related samples 2

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001716e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1716E 4340 bytes
SHA-256: b5d35263e808004c65fc0b815a316ea5a6125f5bfb9f7e0b8bf56aff7cb7df6f
font_01_sfnt_off0001805a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1805A 5288 bytes
SHA-256: 735df74a9353b62989974af029b4c13e2dfa7797245bd14140195b4f4996e7e0
font_02_sfnt_off00019275.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x19275 10408 bytes
SHA-256: f560c7028b148a4cc417e7658dc9767df55f2aec229ca061dde958a0ecac7b6f

Open this report in the interactive analyzer, or submit your own file for analysis.