Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc8267c052e83f37…

MALICIOUS

PDF

51.3 KB Created: 2020-08-07 10:14:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a66aaf843c512436f15d7cabd2e53bf9 SHA-1: b8ee9830032677007d19c8eb675b595fa01803c4 SHA-256: cc8267c052e83f3752c0c7ce5e0dda8fd9a82a6d0f331c968d11541de004d56e
194 Risk Score

Malware Insights

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

The PDF was flagged as malicious due to a critical heuristic firing for a malicious redirector link. This link points to 'ttraff.com', which is known malicious infrastructure. The document body contains text related to a 'bodyweight muscle building program pdf' and the wkhtmltopdf application, suggesting a lure to entice users to click the malicious link. 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.com/pify?keyword=bodyweight+muscle+building+program+pdf In PDF document text
    • http://files.jangrunow.com/uploads/1/3/0/8/130814923/tadewapudiwoxi.pdfIn PDF document text
    • http://files.pterodactylaerospace.com/uploads/1/3/1/4/131454238/zabotasazonelapifeje.pdfIn PDF document text
    • http://files.destinationally.net/uploads/1/3/2/6/132695343/8653187.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/1/0428/9835/8432/files/9284441163.pdf?v=1594212706In PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0121/6163/files/96199595192.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7337/1288/files/browser_detection_javascript.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7431/3621/files/40890654940.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9476/8802/files/xowakotizenum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9236/9823/files/renaissance_architecture_in_italy.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3295/2477/files/la_boite_a_merveille_analyse_complte.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3723/6119/files/aldehydes_and_ketones_notes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/42479515564.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1733/1100/files/lerubolexiwip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5157/3657/files/set_java_home_ubuntu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5847/0816/files/biology_brooker_3rd_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5388/2280/files/13085149244.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 8

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_off00008833.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8833 5952 bytes
SHA-256: 1f7cfa31fe9cba43e8090027ddc3f733dd4634a5e9257c62199d42acfcf9f86e
font_01_sfnt_off00009c67.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9C67 10376 bytes
SHA-256: eee616edd9ec3761fedd32e9505b8920697db05dc1b5dcd2e8eeff4947dabdf2

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