Malicious PDF — malware analysis report

Static analysis result for SHA-256 6fc0bb5b71b4aa89…

MALICIOUS

PDF

69.0 KB Created: 2020-08-05 08:05:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b6ae51ed601895a795c197510ae0c5af SHA-1: 150931bcf1531c33a5a9d48ce12450341c345aaf SHA-256: 6fc0bb5b71b4aa894adcdca5216297efe4a9df8f3a090f6a9b34bb5618da6c78
194 Risk Score

Malware Insights

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

The PDF contains a link farm and a redirector URL, indicating a phishing or scam attempt. The primary malicious URL identified is https://ttraff.cc/pify?keyword=x26+bus+timetable+pdf, which is likely used to redirect users to a malicious site. The ML classifier strongly supports the malicious verdict.

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=x26+bus+timetable+pdf In PDF document text
    • http://files.hismun2020.com/uploads/1/3/1/3/131379971/pedutiwot.pdfIn PDF document text
    • http://files.butterflycatalogs.com/uploads/1/3/0/8/130874514/magimozejulujo_wuwibefuvas_kejolaxanu.pdfIn PDF document text
    • http://files.theprincessandthec.com/uploads/1/3/1/6/131606123/pozugok-fitadewiru-ponuvodi.pdfIn PDF document text
    • http://files.mississippimudkennels.com/uploads/1/3/0/8/130873833/63085.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/1/0432/3124/8542/files/pakibutuvuzofomuvataroxo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8531/5737/files/jaferamakopotev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2301/5836/files/kipamikukupal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3309/1480/files/puminafelomarezo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4166/6710/files/muwugefoxofowetifawi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2274/4741/files/17479355783.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6042/8962/files/mojisujigasofulasizakoji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8813/3787/files/7973585528.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8851/9074/files/circle_equation_word_problems.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5455/4533/files/21831750926.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8856/6677/files/cadenas_ganglionares_del_cuello.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 5

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c7fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC7FD 5496 bytes
SHA-256: 30dcf0b84a480e15f0de3c0811f9f4c3174e2e7982e97793b6496210b092d663
font_01_sfnt_off0000da95.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA95 14268 bytes
SHA-256: 7094f2e5de2b6cde77af317ac9e6ccc86507a0cf16a4d4032e346b1a94c96643

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