Malicious PDF — malware analysis report

Static analysis result for SHA-256 c54ed6fb0c7ed509…

MALICIOUS

PDF

42.0 KB Created: 2020-08-04 03:54:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 16e079c41219ad0d5465ca7b7f63447d SHA-1: d836fe0ff378edcb1b03829cd153f8e9ab8826bf SHA-256: c54ed6fb0c7ed509e4b015c8df069be73ec7666d0b80175d992f68cc9f0c0095
202 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1204.002 Malicious Link

This PDF document contains numerous links, many of which point to a redirector infrastructure designed to lure users into downloading potentially malicious files. The document body explicitly mentions 'online converter pdf to word free download full version' and includes a link to 'ttraff.cc', a known malicious redirector. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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.cc/pify?keyword=online+converter+pdf+to+word+free+download+full+version In PDF document text
    • http://gutibivet.poconoavianresearch.org/uploads/1/3/1/8/131857334/25912d8.pdfIn PDF document text
    • http://files.anthopoulin.com/uploads/1/3/0/7/130776619/fozag-wajewulesavub.pdfIn PDF document text
    • http://files.riverreachestates.ca/uploads/1/3/0/7/130775220/mugatome.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/1/0433/3993/9994/files/76922269621.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/21533622499.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mobisibat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0957/8904/files/peter_pan_francais.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6559/0438/files/dibiwuketimunowu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7959/8229/files/67310925755.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8878/2236/files/tekemojose.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4392/1820/files/kegasipuremite.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/99781003244.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8209/5517/files/fisher_yates_shuffle_java.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5322/7936/files/42194189326.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/9860/9566/files/88964256383.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000065e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65E4 5328 bytes
SHA-256: 7cab38eb6032bd6a2210453b078f4afe432a8a87bf894221e7873a9b2bbf03a8
font_01_sfnt_off00007829.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7829 10084 bytes
SHA-256: 484a03675a24632e74d4115cf69b91fa4e94a3feeb693d637b2d8a06a39859c7