Malicious PDF — malware analysis report

Static analysis result for SHA-256 dae904657a641fae…

MALICIOUS

PDF

47.0 KB Created: 2020-08-31 13:47:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0370caf615fd789434dbe3b2614b2183 SHA-1: 481e8418d492781f52af073c860df1f113fcfa30 SHA-256: dae904657a641faefa2daf44a07b4ac03753ca49ee11c9de21d345e8160fa657
234 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits a high-severity heuristic for a clipboard command lure, instructing the user to execute commands. The document body, though heavily obfuscated, contains the same malicious URL. This combination suggests the PDF is designed to trick the user into visiting a malicious site, likely to download further malware.

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.
  • Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
    Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
  • 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/wix?keyword=winpe+boot+disk+iso In PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://static.usrfiles.com/ugd/a1fb72_ab5dfd9cb6ad4046a9b98c2a72b6b5c5.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b8c837_667dfbe41eec4e3195ef6593cafb208b.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/3b0c81_83ed50f59b834d118948d0dbc29fb7f6.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/23e9be_a0a77ad95c0f40b898d66ff8d4e0f802.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/e4ff69_6599ad2aac4b48e9affb7cd8bf82e5df.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9069/6597/files/watch_pineapple_express_online_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7917/1222/files/82058279809.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0451/2520/6169/files/brahmi_lipi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3863/0300/files/antivirus_software_free_for_dell_laptop.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/6cfc61_bc2810ad9cc14286b38725e7c4b85e5c.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/314c35_17e5725e6c284e95b1cb9637c7255ccf.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b8c837_19f3f50ebe4746c498ece47e12cd8e8d.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 6

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_off00006480.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6480 4832 bytes
SHA-256: d8e5c1dd033a888eba4e53a7a1e476aeb28fe9e74c762044cfd4d8b794717407
font_01_sfnt_off00007510.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7510 10420 bytes
SHA-256: fede7644c648825708b47fffd9bbb6750712e6bc7c35df8cf9ee1f8fc3438d18
font_02_sfnt_off000098df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x98DF 16488 bytes
SHA-256: 91c30074f85501cb5fe9baf33f35f843940bfa30be12b849312283e920dd8f5d

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