Malicious PDF — malware analysis report

Static analysis result for SHA-256 24a6314b4a3ca142…

MALICIOUS

PDF

76.6 KB Created: 2020-08-09 03:36:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: feb06a1c77b70f14a2f91b1e35358223 SHA-1: 4284f5365744e362db844cac0d57fab0a61eeed3 SHA-256: 24a6314b4a3ca1426d66511696755db9b484837e22799ae4cea3138fce80ffea
202 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. This URL is presented as a Toyota supplier quality assurance manual, likely to trick the user into clicking. The PDF also contains a link farm with numerous Shopify URLs, suggesting an attempt to obscure the malicious redirector or to appear as a legitimate document repository. The document body, though heavily obfuscated, contains the malicious URL.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=toyota+supplier+quality+assurance+manual+filetype+pdf In PDF document text
    • http://files.byersbuilders.com/uploads/1/3/0/8/130873715/bb561.pdfIn PDF document text
    • http://files.faithjourney.co.nz/uploads/1/3/1/4/131482931/tajab.pdfIn PDF document text
    • http://litab.hofforce.com/uploads/1/3/0/7/130739564/sivaj.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/1/0432/3459/0888/files/85556810334.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9340/2534/files/23829899905.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8199/0304/files/35876435945.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9494/0575/files/97769912310.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9456/4252/files/yanmar_service_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2961/1171/files/wii_virtual_console_wads.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/81397135942.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4506/8699/files/81867336641.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2737/3986/files/12057588608.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7298/8071/files/niwiwesetizumos.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d866.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD866 5476 bytes
SHA-256: 53440c5e0ba722876ab44223c21a607c0331871c0f26d42facc85e5ceee8dd37
font_01_sfnt_off0000eaf7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEAF7 10716 bytes
SHA-256: abd72d7bc141e9cda45b7da3ab6dee61d0679556a06c90fdabd50d7b8d332052
font_02_sfnt_off00010f85.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10F85 16084 bytes
SHA-256: 492b72e9e8f0bcef963ad10e88f80b5598216a8c56d4f3a27963a6a5716a4957

Open this report in the interactive analyzer, or submit your own file for analysis.