Malicious PDF — malware analysis report

Static analysis result for SHA-256 a260be4ea865c8b7…

MALICIOUS

PDF

40.4 KB Created: 2020-08-21 12:17:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0a0acfff18be2a1593be5328b70d4aab SHA-1: b7a3e93e2db72585becabe79661fb89291ebdeb3 SHA-256: a260be4ea865c8b7a52120d4378d8b495619525e7d498d47c0ebbfdcae3c27ad
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to Shopify-hosted PDFs, suggesting a link farm for SEO manipulation. One critical heuristic identified a link to a known malicious redirector, ttraff.com, which is likely used to distribute malware or conduct phishing. The document body contains garbled text but includes the malicious URL, reinforcing its role as a lure. No scripts were extracted, limiting the analysis of direct payload execution.

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=assassin%2527+s+creed+identity+apk+data+revdl In PDF document text
    • http://gazitoxek.richfeenstra.com/uploads/1/3/1/4/131454215/soxewedulu_xunoromurato.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/1/0431/5460/4198/files/95468674042.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3692/6374/files/zulixidiferezuguranelul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7165/8389/files/dukizuri.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7836/6885/files/27000585537.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0318/3258/files/movik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2991/4012/files/soal_skb_guru_agama_islam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6689/2181/files/jisax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3355/8168/files/93104051214.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7826/2689/files/dafevolajemuj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5824/7320/files/somemasofikubefebebo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9494/0573/files/89299503728.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_off00005f55.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F55 5316 bytes
SHA-256: 8d340bc8f95086c17e2c50035b39b50698e6fe7a3767991565c6a25b23a7fd0c
font_01_sfnt_off00007180.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7180 10272 bytes
SHA-256: 443be61a18d8ad76248e428a2e9d139f45bb803986d54694b5f2a8ab0949b8d9

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