Malicious PDF — malware analysis report

Static analysis result for SHA-256 979155e7099ade2b…

MALICIOUS

PDF

49.0 KB Created: 2020-08-08 16:12:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 40aa9f8d64d2c9e2f381336db50c44b6 SHA-1: 775025b8554e92544d75412fe7e8f4690d20c474 SHA-256: 979155e7099ade2bde90ca2b8a0ece65aea26d809f69da6948693f09a691c20d
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to external resources. One critical heuristic firing indicates a malicious redirector link to 'ttraff.com'. The document body, though heavily obfuscated, contains this same URL, suggesting it is the primary lure. The presence of numerous other Shopify links suggests a link farm or SEO poisoning tactic to distribute the malicious 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=ir+table+functional+groups+pdf In PDF document text
    • http://files.crosswoods.com/uploads/1/3/2/6/132695489/rowag.pdfIn PDF document text
    • http://files.brianboydmotorsports.com/uploads/1/3/0/8/130874642/8712781.pdfIn PDF document text
    • http://gulinas.recoverycafelafayette.org/uploads/1/3/1/3/131398360/fujukameku-mizejunuloz-netumidutamej.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/1/0433/0687/7080/files/56317886700.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7623/1063/files/69520126030.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4795/2294/files/45065221140.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9729/2967/files/35830559515.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4077/5064/files/dobatexikegewokumuxet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7418/2563/files/james_patterson_book_list.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/2581582401.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1970/6269/files/29304146121.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0471/5427/files/kapodoxajiwukoge.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5272/8474/files/bignoniaceae_family.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7487/0689/files/anorexia_nerviosa_en_adolescentes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/10699911966.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4192/2977/files/fibonacci_sequence_calculator.pdfIn PDF document text
    • http://www.chemistry.ccsu.edu/glagovich/teaching/472/ir/table.htmlIn 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000067b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67B9 5280 bytes
SHA-256: 52fef96590d2d915db05dbd30cf38aa2fab37576340629d2726d83b953b94e0a
font_01_sfnt_off000079a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79A6 14820 bytes
SHA-256: 06dbf371b164a8cb6aa91342a7d7c317ad8cb444d49195b6d486da4b284c849b
font_02_sfnt_off0000a84e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA84E 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c