Malicious PDF — malware analysis report

Static analysis result for SHA-256 c96695d7d22612f2…

MALICIOUS

PDF

60.4 KB Created: 2020-08-03 02:38:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4a4c42489bb089b2dfbabc4cc78b5f90 SHA-1: f24a6ace49864b6690376a2a94fbd145443b3102 SHA-256: c96695d7d22612f291f917aa51224cd3d4ab7353c5d597c5415d444112c7bce0
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file exhibits characteristics of a link farm, embedding numerous external links. One of these links, 'https://ttraff.com/pify?keyword=gen+4+ou+team', is identified as a malicious redirector. The document's primary purpose appears to be directing users to this malicious infrastructure, likely for phishing or to download further malware. No scripts were extracted, limiting the analysis of the exact payload.

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=gen+4+ou+team In PDF document text
    • http://files.storyneeds.com/uploads/1/3/1/3/131380109/6419359.pdfIn PDF document text
    • http://files.rockymountainjackpotshowseries.com/uploads/1/3/1/4/131438758/gukojoz_japuxuzubovuse_lolawebulaxuj_kitusodezaxolu.pdfIn PDF document text
    • http://files.hbcindy.com/uploads/1/3/1/8/131856041/sisema-sokeri-rodirupijef-veguxuvagobufi.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/1/0431/6246/8516/files/23727967444.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0357/6481/files/mipamekuzanabugegadi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9567/8357/files/11298082076.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8106/4853/files/96577759355.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3640/8982/files/73179591605.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3477/1610/files/steamboat_snow_report.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2135/3635/files/tafejo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9050/2051/files/22147531638.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2515/4716/files/25372492900.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7827/1641/files/dodetubobadigopovowogawu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8091/7926/files/93915679702.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/1188956193.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 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_off0000a61e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA61E 4644 bytes
SHA-256: b0e8cdbb511e9fb7135eaa6cdbbfb1f637f6b07c2feb48b9edaad889d8601bf9
font_01_sfnt_off0000b5e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB5E2 15100 bytes
SHA-256: 382cbd1126b6c43b6199ffc8d3df6b58ffe5d17c16d907d1e029101b8fe93a55

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