Malicious PDF — malware analysis report

Static analysis result for SHA-256 0522ec929a8de6aa…

MALICIOUS

PDF

35.0 KB Created: 2020-08-02 06:05:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b233d716836842ad5a8d7c0a58a8cb9e SHA-1: 515723d18f353da9e063d8cf6ff0a6b542ddc0e4 SHA-256: 0522ec929a8de6aae9f1c9034fd79720473deeda0ce9129d701baa44bf095ad0
194 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, many of which point to a redirector URL (https://ttraff.ru/pify?keyword=jackson+ky+weather+radar) and a large number of PDF files hosted on Shopify. This behavior is indicative of an SEO link farm or a phishing campaign designed to drive traffic to malicious or deceptive content. The ML classifier also strongly flagged this PDF as malicious.

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=jackson+ky+weather+radar In PDF document text
    • http://files.creativechickclasses.com/uploads/1/3/1/6/131637054/tiwudipojepebo.pdfIn PDF document text
    • http://files.betapichaptertx.com/uploads/1/3/1/0/131070247/5385819.pdfIn PDF document text
    • http://files.sweetsouthernmessnc.com/uploads/1/3/1/0/131070144/6880617.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/1/0433/0124/0985/files/1567935971.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/volobufepafolosovi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8351/3494/files/39479444182.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6267/3054/files/75522925283.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9276/2006/files/bizaladofigesidejisiwa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5323/6902/files/detaferopowi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5782/4419/files/22958590906.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1385/7692/files/91108075368.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1463/6198/files/boragapokoxufimij.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4607/6565/files/jitorewumewek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0508/2776/files/3242249449.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
🗂 Part of campaign: betapichaptertx.com 3 samples

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_off00004b6c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4B6C 5240 bytes
SHA-256: da06890f5e1aa416755108fd1d36445c496476044515729a70633069c4c1687f
font_01_sfnt_off00005d50.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D50 10068 bytes
SHA-256: 42373183c5b40db75db38e62cce5631ae86e1c67f4eb2af3b66fa825cdf364fc

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