Malicious PDF — malware analysis report

Static analysis result for SHA-256 22ee31c1715f220a…

MALICIOUS

PDF

45.0 KB Created: 2020-08-14 03:40:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e7c57f3bef890cd9f4f33a4c7500e8cc SHA-1: 5bee32fce430683a5d8e6677fdf5ad53d62f14ff SHA-256: 22ee31c1715f220aa1ea7e22d2dc350bc2f0266c565980b0ab8225c734925cff
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.cc/pify?keyword=electrons+in+atoms+chapter+test+a+answers'. Additionally, it exhibits characteristics of a link farm, with numerous embedded links to Shopify-hosted PDFs, one of which is 'https://cdn.shopify.com/s/files/1/0431/5034/4352/files/successful_collaboration_in_the_workplace.pdf'. The ML classifier strongly indicates maliciousness. The document body, though heavily obfuscated, contains the same suspicious URL.

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=electrons+in+atoms+chapter+test+a+answers In PDF document text
    • http://files.boweninsussex.com/uploads/1/3/2/7/132712120/15af1a7b40a5fcc.pdfIn PDF document text
    • http://fiwas.artistiquegym.com/uploads/1/3/1/1/131163599/2801414.pdfIn PDF document text
    • http://files.inlandmetalcrafts.com/uploads/1/3/0/9/130969305/cf5ba51dd.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/1/0431/5034/4352/files/successful_collaboration_in_the_workplace.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0443/0407/2860/files/biker_boyz_full_movie_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3716/2657/files/kuxepitokupuvipufaxira.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5496/4631/files/42753735815.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3147/7922/files/gidefi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5475/9069/files/gigipipugepigovetu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8487/3879/files/78870389612.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3325/5323/files/lemomekudorevevikub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/34292265756.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4674/7803/files/advanced_candlestick_analysis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6730/2295/files/81960894770.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3926/8769/files/fumimuxegatavezavosa.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 3

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_off00007163.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7163 5220 bytes
SHA-256: 6df9f1740764eb9f32056facc6981c2c36aaf30450140bfc25bc3f44f250a7d7
font_01_sfnt_off00008302.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8302 10516 bytes
SHA-256: ff52fc24375cee10e63c428fb75a7416862af2f9e23b2bd7edace6aaf41d2138

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