Malicious PDF — malware analysis report

Static analysis result for SHA-256 6b53225d76b7e5e7…

MALICIOUS

PDF

44.3 KB Created: 2020-08-02 08:53:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8c4981dc425f23e51dd5963baf1c9e5f SHA-1: f37a2166b0f3f54a3d9a49dba99f53fd1988baa3 SHA-256: 6b53225d76b7e5e70b6a73e1e0f813205883efee98ef8d9f6c895995f3612711
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains numerous links, many of which point to redirector infrastructure. The primary redirector URL, https://ttraff.ru/pify?keyword=cannon+power+shot+s2is, is flagged as malicious. The document appears to be part of an SEO link farm designed to phish users by luring them with seemingly legitimate content that redirects to malicious sites.

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.ru/pify?keyword=cannon+power+shot+s2is In PDF document text
    • http://files.midrenelamy.com/uploads/1/3/1/4/131453574/689e1b94e5c.pdfIn PDF document text
    • http://files.killjoy.info/uploads/1/3/2/8/132816158/444fa6d86d0810f.pdfIn PDF document text
    • http://files.twofellersliveedgelumber.com/uploads/1/3/1/0/131071243/sepita.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/1/0434/9090/2166/files/bekedirupiwujipisajo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1541/3661/files/buwetododafopimadu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5393/0901/files/14692285998.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7420/8415/files/13266671169.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7877/9047/files/paxenegulekadaguvapelose.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2955/3575/files/74732341800.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9256/6435/files/75441559490.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7188/9817/files/mibixebagusukog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0216/6428/files/make_electronics_charles_platt.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2732/5343/files/jitezipumejosu.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_off00006153.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6153 5004 bytes
SHA-256: 69290e7e6b6098df66cd4e1edad27d50745851dbbe1c5c4b22da056f4efdbd73
font_01_sfnt_off00007260.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7260 16308 bytes
SHA-256: 7875b9cf9270971194e74fab5959faf1d2df75c0f8eb18733b062aa7158aa585

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