Malicious PDF — malware analysis report

Static analysis result for SHA-256 5317d66bedfa6537…

MALICIOUS

PDF

58.8 KB Created: 2020-08-09 00:02:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5a1bfce2ef56c06308ca4066739280fd SHA-1: f9ab179cc16238fd2f90f1cfd2dce73352e9f6d4 SHA-256: 5317d66bedfa6537b78eb8a69969105987227db624cbb3585891128fafba8dbf
194 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.ru, disguised as a travel map. This indicates a phishing or social engineering attempt to redirect the user to malicious content. The file also contains a large number of external PDF links, many hosted on Shopify, suggesting a link farm or SEO poisoning tactic to improve search engine visibility for malicious content.

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=thailand+travel+map+pdf In PDF document text
    • http://files.wildthingyogaboutique.com/uploads/1/3/1/3/131379409/fulufiletenanu.pdfIn PDF document text
    • http://files.elginparkathletics.com/uploads/1/3/1/4/131406413/xikudenaw.pdfIn PDF document text
    • http://files.stjohnofgod.net/uploads/1/3/1/3/131398139/13ca812.pdfIn PDF document text
    • http://files.htxphotography.com/uploads/1/3/1/3/131383247/liforagozozozum.pdfIn PDF document text
    • http://jixesim.hilltophotrodshop.com/uploads/1/3/0/9/130969723/xeduv.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/1/0434/4145/5256/files/software_defined_mobile_networks.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9143/5422/files/5384270821.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7047/9766/files/87961307117.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0267/4845/files/datiled.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9097/5645/files/12974325884.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1432/3356/files/17824803597.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9331/9079/files/99802663064.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8197/3416/files/rolinererepobod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0454/2929/3214/files/dulakoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2358/0830/files/wezadu.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 8

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_off0000a977.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA977 5112 bytes
SHA-256: 956cfe29cdc7f4146345e06423ddef7055c3069742a3bbb74f306685133aeadd
font_01_sfnt_off0000bab6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBAB6 10352 bytes
SHA-256: c0ff7c3f4646d7fd606ae29c1b0ec731056f2e25a41565a71e74a900d01ebb43

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