Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2ca432dec730bbf…

MALICIOUS

PDF

62.2 KB Created: 2020-08-08 05:33:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 79e76bd69e3e038c100fb0776f302c3d SHA-1: 3e378d2225dd1b65c82b71140da85a6f460d31dc SHA-256: e2ca432dec730bbf174a6b0d9e6b78d7906b3f838851896ee89a91a5d37649c3
194 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, many of which point to a link farm hosted on Shopify. One of these links, https://ttraff.com/pify?keyword=conversation+casanova+book+pdf, is identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to a book and the wkhtmltopdf tool, suggesting a lure to download or view content. The presence of a malicious redirector indicates an attempt to lead the user to a harmful destination.

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=conversation+casanova+book+pdf In PDF document text
    • http://files.lalarukhgroupofhouseboats.com/uploads/1/3/2/6/132681351/jorapafiseniwugidika.pdfIn PDF document text
    • http://ludage.martialfitnesspalmbeach.com/uploads/1/3/0/7/130775934/xaviboxi.pdfIn PDF document text
    • http://files.paulavalb.com/uploads/1/3/0/8/130874451/6c58f.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/1/0431/1567/5815/files/1957_ford_f100.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7505/2454/files/juxotalativasokokug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6912/0413/files/trailer_registration_holder.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6368/0929/files/80531127299.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8260/3927/files/tic_tac_toe_program_in_c.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7854/1722/files/46200959598.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1845/2120/files/xufarijipojipanakizawugoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5671/6183/files/fujizubusobakevapuwapa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3880/2073/files/kisajabawifaligelazabuxad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0118/3384/files/fupudafub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/6965/1606/files/gafuxedopilisifa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13170590630.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008595.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8595 5192 bytes
SHA-256: 8bdb30ff40f5836e1a4da187bd52b58ff218aff764014d630d655f3f6e4b659e
font_01_sfnt_off0000973f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x973F 3116 bytes
SHA-256: e1d6eb4640534e8e0a9fb0092910d95fa43eac4a50742075cfd667ab5c0a2cbc
font_02_sfnt_off0000a407.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA407 10628 bytes
SHA-256: 67df153e17f574ea5580f349b1f50ef96bfa93cb9c560d8b36a1d7de6a87fc57
font_03_sfnt_off0000c893.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC893 16036 bytes
SHA-256: 35d3440dae1ebc896564e4e6f70ea95aa3a30a1ac603c7fffbb21b68b8b72e2f
font_04_sfnt_off0000dcfd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDCFD 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34