Malicious PDF — malware analysis report

Static analysis result for SHA-256 acd0231d1c8165dd…

MALICIOUS

PDF

42.3 KB Created: 2020-08-01 11:29:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e26b3d17b85edb8660303e75f3016f4f SHA-1: 39b0de63f0d9d691f924ff59747ab87a22f18603 SHA-256: acd0231d1c8165dd040d555ec46aa7839ec37b0b2c070897832d5b84fbb34170
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF document exhibits characteristics of a link farm, with numerous embedded URLs pointing to external resources. One of these URLs, 'https://ttraff.ru/pify?keyword=retaliatory+kick+enchantment', is flagged as a known malicious redirector. The presence of a large number of links, many hosted on Shopify, suggests an attempt to manipulate search engine results or distribute malicious content through a seemingly benign facade. 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.ru/pify?keyword=retaliatory+kick+enchantment In PDF document text
    • http://files.bcproductions.co.za/uploads/1/3/0/7/130739937/bilubal-kadofox-lodogitixakiti.pdfIn PDF document text
    • http://files.christyintheclassroom.org/uploads/1/3/0/9/130969048/niwafe.pdfIn PDF document text
    • http://files.mymoox.com/uploads/1/3/1/4/131453365/2747837.pdfIn PDF document text
    • http://files.rosenetwork.org/uploads/1/3/1/4/131437623/motunomatenon.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/1/0433/9079/5934/files/10905549741.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8919/9268/files/lukug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1375/7339/files/2017622384.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3863/0300/files/54972270021.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9148/3031/files/sunbeam_electric_blanket_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9456/5271/files/dfas_manual_7097._01.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4894/4284/files/wakese.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6956/2266/files/9177016087.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1317/6469/files/zutavexuzevotaxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zosakasebiribo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6640/0663/files/judogolurujidokuluped.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0656/6306/files/70656027332.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_off00006928.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6928 5036 bytes
SHA-256: 4dc1654d0340a82a3ff983f07e46e31b4c6ca057ae499bb8b052e3a75b3bc9f9
font_01_sfnt_off00007a2b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A2B 10088 bytes
SHA-256: 9d918af36c0d0001bf5f7ca0eb837ec4d8b5d4bf1fd6dd64677c591c893b8d70

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