Malicious PDF — malware analysis report

Static analysis result for SHA-256 26379595d217ca9a…

MALICIOUS

PDF

41.1 KB Created: 2020-08-22 00:11:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f0279127918403b4a9ad39135adf0093 SHA-1: 2d9903707428f05f3b551a2094b01f83f71360b4 SHA-256: 26379595d217ca9a8e813f269a371749fafc374a523856d23e8c11b1367bffa0
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=kadamban+full+movie++hd+tamil'. This URL is presented within the document body, suggesting a lure for users to click through. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many of which are hosted on Shopify but point to potentially malicious content. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious redirector attack pattern.

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=kadamban+full+movie++hd+tamil In PDF document text
    • http://feruwid.westbendpolicedispatch.com/uploads/1/3/1/4/131409090/3062223.pdfIn PDF document text
    • http://sidunirol.spiritlakehermitage.com/uploads/1/3/2/3/132303382/kotowefujakumejozunu.pdfIn PDF document text
    • http://rawozeref.debbieyoung.co.uk/uploads/1/3/1/4/131406798/8193974.pdfIn PDF document text
    • http://files.hire-alicia.com/uploads/1/3/0/9/130969712/zenusoviwugowigu.pdfIn PDF document text
    • http://fakodo.msiphotography.net/uploads/1/3/0/8/130813714/xodigadulewoson-gujuvudetip-popotogexanakut-vigapezek.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/1/0431/0335/5034/files/basics_of_economics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4796/0232/files/american_english_file_5_workbook_answer_key.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0339/3694/files/rezalibodoruk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2086/9019/files/debuwapixomekojekusu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9899/5864/files/61747103312.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6989/8914/files/lixuzuvoxofidi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9567/8357/files/54126046858.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2161/5783/files/tetopimuvatajazovupijo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2821/0073/files/53235094740.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8042/5370/files/ielts_score_sheet_example.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_off00005a16.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A16 5044 bytes
SHA-256: 731a27d54506f8a0b236d268e27d245946f29ffb9057b0e8464118887d0e1583
font_01_sfnt_off00006b2b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B2B 14352 bytes
SHA-256: 60d4c8c224fe96fbde4e52e6365b3ddd24aa0393f28dbd6e758ff1ca0c4fb349

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