Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f140c5de475dd13…

MALICIOUS

PDF

45.9 KB Created: 2020-08-03 23:28:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 12bfdfffd88aa52727a674ddde0fea49 SHA-1: bc2e973deb17af1cd90b2bb04dea2ea709d64e10 SHA-256: 8f140c5de475dd13645aaae71c89eb259bae1782def74fcd14619e81fcd27b06
194 Risk Score

Malware Insights

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

The PDF contains a significant number of embedded links, with the primary link pointing to a known malicious redirector infrastructure at 'ttraff.com'. This indicates a likely attempt to lure users to malicious sites. The presence of a large link farm, even with many benign Shopify links, suggests a coordinated effort to distribute malicious content or phish for information. The ML classifier strongly supports the malicious verdict.

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=automotive+paint+booth+design+pdf In PDF document text
    • http://files.sagehousebathnbody.com/uploads/1/3/0/9/130969357/kubetizezobere-dizir-mapikisugore-tokenexo.pdfIn PDF document text
    • http://lixosopa.operationglobalfreedom.com/uploads/1/3/1/4/131452821/jusofinitofixa_wewemuloxo.pdfIn PDF document text
    • http://files.theequinelink.net/uploads/1/3/1/4/131452815/tejozadubo.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/1/0429/4190/7100/files/72347751637.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/monazata.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0210/0899/files/webuboxadageri.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4207/8877/files/punovuketizodana.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6597/4690/files/67565523608.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mufowotipopugisafe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8752/7078/files/lesedofamewinadilexepit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0159/3507/files/dubaforewivonunobo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4245/6231/files/51026442163.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7950/6847/files/2808611513.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 6

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_off00006799.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6799 5396 bytes
SHA-256: 0e42d4c43f539f0b7fe5e047f3362c4f0d76ed8075471b3c14066bc7d8f90f39
font_01_sfnt_off000079cb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79CB 10156 bytes
SHA-256: 3349f18ed78ba003a80fe2597ff1d70e6489958dad2cac0c9b9e789e91dafff3
font_02_sfnt_off00009c65.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9C65 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

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