Malicious PDF — malware analysis report

Static analysis result for SHA-256 869f292a443eec57…

MALICIOUS

PDF

46.6 KB Created: 2020-07-29 10:53:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ee71d056fe3c993b16d35e82d9a11ff6 SHA-1: c199af820991d9d7745f631d329a5a4acccae89f SHA-256: 869f292a443eec57d2ddc37d862690218d6ddbc283497741935f466ab8fa0cc9
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains multiple links to redirector infrastructure, specifically 'ttraff.com', which is flagged as malicious. It also hosts a large number of external PDF links, suggesting a link farm or SEO abuse tactic. The ML classifier strongly indicates maliciousness, and the embedded links are designed to lead users to potentially harmful content.

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=conjunctive+adverbs+quiz+pdf In PDF document text
    • http://files.billshobbiesmodelshop.com/uploads/1/3/1/3/131384721/6645541.pdfIn PDF document text
    • http://files.gardensofelegance.com/uploads/1/3/2/6/132695995/wasabel-rinetuf-tuvalarisopap.pdfIn PDF document text
    • http://files.angryblackwomyn.com/uploads/1/3/0/8/130813694/6948400.pdfIn PDF document text
    • http://files.my-battalion.com/uploads/1/3/0/9/130969370/6ae4a0b.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/1/0427/8022/9791/files/jokoramesamobosotulev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0127/3750/files/58255443331.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4140/6631/files/bexozewu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5911/6182/files/14185306055.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3292/8671/files/setevebomukotebo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4843/5861/files/79136752653.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4750/9416/files/gezowoxudunomapimuja.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1878/6728/files/wivowuk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5285/0586/files/99666592961.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0711/4391/files/puzepoxowoxefimunuzufote.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/71419102660.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000776e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x776E 5472 bytes
SHA-256: 540149fcc3fab3ec0ee35c2988ceddfa44ccac9c0ce5762106a9cb5e83e27c6b
font_01_sfnt_off00008a29.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A29 10428 bytes
SHA-256: fa925693d05137994de2bdaf09067e5635591371bec447dc5efda08e1188ce17

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