Malicious PDF — malware analysis report

Static analysis result for SHA-256 67d28c1585b693ee…

MALICIOUS

PDF

39.3 KB Created: 2020-08-05 09:24:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f2bd81ebf18ea53d40cfb0aec2827a04 SHA-1: ce52e71fee5ce1b317c6d6e51714a2dc98b36cdc SHA-256: 67d28c1585b693ee705970955d9a57dc36b9ec19d5f2add4fcd65aed4f10a06b
194 Risk Score

Malware Insights

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

The PDF document contains embedded links that redirect to a malicious SEO redirector, masquerading as a Bundesliga schedule. The primary malicious URL identified is https://ttraff.ru/pify?keyword=1.+bundesliga+spielplan+2020+19+pdf. This technique is commonly used for phishing or distributing further malware. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.

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.ru/pify?keyword=1.+bundesliga+spielplan+2020+19+pdf In PDF document text
    • http://files.kidhelper.net/uploads/1/3/0/7/130738933/8528467.pdfIn PDF document text
    • http://files.richardeinerson.com/uploads/1/3/0/8/130814676/jisajepurafuxobi.pdfIn PDF document text
    • http://files.aquestforhealthandpeace.com/uploads/1/3/2/6/132682802/5192513.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/1/0433/4016/9384/files/36050484291.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7005/4805/files/52906043410.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/5382/4677/files/robidof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/2178/2427/files/bridgeport_ez_trak_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6004/4710/files/xopefuwalajudi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5573/5203/files/revunad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6913/6280/files/79127023532.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7298/8071/files/wuramanef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/3599/5808/files/ubuntu_iso_to_usb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8697/8984/files/dikikifepojetekofodivot.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 6

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_off000050c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x50C2 5672 bytes
SHA-256: 9c0240b3e02fab9f2bc98bacecb864747d440f4a6ca2696db31a3bdb9e13d6ef
font_01_sfnt_off00006425.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6425 14072 bytes
SHA-256: 75717ed31a12ccb6014db853a9db2555ff540fe42fd0787f058892d6ebb25d3e

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