Malicious PDF — malware analysis report

Static analysis result for SHA-256 708938f7a1b13a5d…

MALICIOUS

PDF

36.8 KB Created: 2020-08-03 02:14:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 78c8a7315a13038992c62ebf1f3cf2c9 SHA-1: 38db23c6a2c80231d016545e13133975d49d5f0e SHA-256: 708938f7a1b13a5d7d9d7345947db366f37f361f08ab0cd7e14d5abebf9f704a
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many pointing to a redirector service (ttraff.com) which is flagged as malicious. The document body, though heavily obfuscated, contains URLs that are part of a link farm strategy, aiming to attract traffic. The ML classifier strongly indicates maliciousness, supporting the conclusion that this PDF is designed to redirect users to potentially harmful 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.com/pify?keyword=everybody+move+your+body In PDF document text
    • http://gojux.advocatesfordiversity.org/uploads/1/3/1/6/131636725/334f3b21a464.pdfIn PDF document text
    • http://files.becomebettertv.com/uploads/1/3/1/3/131397940/5834046.pdfIn PDF document text
    • http://files.zebgas.com/uploads/1/3/1/4/131406104/nozegawanisedon.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/1/0433/7795/0870/files/1457719012.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9769/4109/files/16635817090.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2710/1853/files/nenurado.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0128/2711/files/94203982811.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3188/8021/files/75535560473.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1891/0870/files/41833546657.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4277/4938/files/63109725999.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7492/9319/files/6719530298.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9703/0805/files/47926885026.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0011/0999/files/xitewotosivavog.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 4

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_off00004d73.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4D73 4812 bytes
SHA-256: b4227d807c10c311fe26d19c2a2003a5860cc8b701f01f5229e7feef4be2ccd9
font_01_sfnt_off00005dc6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5DC6 13116 bytes
SHA-256: 26916e2d27e28cd9c72a7027a1fe16938eac41a48165eb85a7f64dfba7e03a24

Open this report in the interactive analyzer, or submit your own file for analysis.