Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f09688448225493…

MALICIOUS

PDF

41.2 KB Created: 2020-08-02 20:44:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8555b5ea5c6b3148fe8f43dc0b83f5a6 SHA-1: ffa85c19eed6c899038185b160e8c506ad07df80 SHA-256: 8f09688448225493bfb970108f47758ba9c780d81ec4797a1e0db951da0c6d2b
194 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with a critical heuristic identifying it as a PDF link farm. One of the primary links directs to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains references to the redirector URL and a benign-looking PDF hosted on Shopify, suggesting a lure to a malicious site. The presence of a link farm and a malicious redirector indicates an attempt to lead the user to a harmful destination, likely for phishing or malware delivery.

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=ben+10+alien+creator In PDF document text
    • http://files.yourhomeopathicsolution.com/uploads/1/3/1/4/131437307/kenededufi-rulorexujisegup-kigij.pdfIn PDF document text
    • http://files.middleamericanmafia.com/uploads/1/3/1/3/131398560/lebelojipijalupa.pdfIn PDF document text
    • http://files.jasonsmithendo.com/uploads/1/3/1/8/131871424/bapoterike-nedodosi-zijesekeruxen.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/1/0432/0821/2638/files/3963733160.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0910/6335/files/62011391083.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6055/7984/files/2575544315.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6196/8025/files/lizoforifawemiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kaxepetumikikexozifaxu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2478/4283/files/21500240218.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6595/6760/files/lofomijikik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/99839510681.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1311/8872/files/fuxavunagamisonoz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7600/9622/files/30347320764.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9160/8227/files/zipuj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2269/6098/files/82918313541.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/7997453156.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6816/1176/files/download_putty_for_windows.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_off00006416.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6416 4860 bytes
SHA-256: 98e311bb2367b03e76ec52339ee460803368d15a95e8222462a3edf1f8786b78
font_01_sfnt_off000074b0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74B0 10908 bytes
SHA-256: ee5d628d8553ae4c616015f4e94edb1d3eb7d8d1ecae47b66f40aba75d008cd9

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