Malicious PDF — malware analysis report

Static analysis result for SHA-256 36119f8ab79d3c68…

MALICIOUS

PDF

43.1 KB Created: 2020-07-31 22:25:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8648abf3f057c7c6446a7a2cad7a95f0 SHA-1: d4f4ca413cb1d625387d47e2d39b269bf354a58f SHA-256: 36119f8ab79d3c685e37cca7cfdeb0403622a6e7216f53b9536030877ae3f246
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the text '94. 9 tampa radio' and the URL 'https://ttraff.ru/pify?keyword=94.+9+tampa+radio', suggesting a lure related to radio or a specific location. The presence of numerous Shopify-hosted PDF links indicates a link farm designed to distribute malicious content. No scripts were extracted from this sample.

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=94.+9+tampa+radio In PDF document text
    • http://files.middsga.com/uploads/1/3/1/4/131455621/pisaruzudabimakaxe.pdfIn PDF document text
    • http://files.mrmcgintysmonarchs.com/uploads/1/3/2/3/132302993/6340693.pdfIn PDF document text
    • http://files.pukalanicommunity.com/uploads/1/3/0/7/130776308/jutafozewupu.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5696/3479/files/16680931683.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4196/4710/files/74646912045.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6636/8935/files/61135032874.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/98559129476.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2418/7549/files/fukefodavajiximak.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9340/8409/files/degevaweluxajajaj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/39720928980.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4929/5776/files/43968106939.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6528/6566/files/86465828100.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9676/0730/files/46497241282.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2520/3354/files/repopumusamamipaze.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005fa4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FA4 4640 bytes
SHA-256: dc9506867868d6fae2b45767a509aab7590e9f68702517501403efdbdd87ecb2
font_01_sfnt_off00006f64.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F64 10112 bytes
SHA-256: ead5e39236f555ed35999692ed9dba45b02f72dfe7f7d90234d813b31c8ff431
font_02_sfnt_off0000920a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x920A 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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