Malicious PDF — malware analysis report

Static analysis result for SHA-256 11017aea6e9c4f2e…

MALICIOUS

PDF

50.7 KB Created: 2020-09-02 02:08:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 614abf3a6eed99a7e545bfb36866250a SHA-1: 6b73bf2e1ee7850867c0eff4a49c04b1dd8dcc8a SHA-256: 11017aea6e9c4f2ee70a576695f87dee9bbf769226ff7384a33ec64ea30b0f7a
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF contains a link to a known malicious redirector, ttraff.cc, which is likely used to host or distribute further malicious content. The document body, though heavily obfuscated, contains text related to 'edit profile page bootstrap template' and a URL that aligns with this theme, suggesting a social engineering lure. The presence of numerous external PDF links, many pointing to benign Shopify URLs, indicates a link farm strategy, potentially to improve SEO for malicious content or to obscure the true destination.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • 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.cc/wix?keyword=edit+profile+page+bootstrap+template
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0428/0962/2687/files/free_printable_holiday_colouring_pages.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/89709194360.pdf
    • https://cdn.shopify.com/s/files/1/0429/7926/2615/files/delete_browsing_history_chrome_android.pdf
    • https://cdn.shopify.com/s/files/1/0428/9291/8937/files/busejuxonagofipipiwodazot.pdf
    • https://cdn.shopify.com/s/files/1/0435/4798/4026/files/electro_pneumatic_brake_system.pdf
    • https://static.usrfiles.com/ugd/f84671_11aea19c99c34aa7bf3a304a81a89ce2.pdf
    • https://static.usrfiles.com/ugd/f1c748_1e0480369d684b439e187f49291869cd.pdf
    • https://static.usrfiles.com/ugd/dc98cc_441a2b1674be486584d0d4c2bc0d721e.pdf
    • https://static.usrfiles.com/ugd/24deb6_aa1e19d0721c41b5b024a2a824ac836b.pdf
    • https://static.usrfiles.com/ugd/cc03df_b8b34df4d5984cc3a85d84537f4c440f.pdf
    • https://cdn.shopify.com/s/files/1/0430/1497/9737/files/72128668599.pdf
    • https://cdn.shopify.com/s/files/1/0437/7369/0017/files/sign_up_sheets_google_docs.pdf
    • https://cdn.shopify.com/s/files/1/0427/8606/2495/files/gumballs_and_dungeons_erathia.pdf
    • https://cdn.shopify.com/s/files/1/0462/3109/3397/files/stalker_pc_game_free.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008a2a.bin
844c600ca1eb85f1881996119219000d650b712df72d6302880e715f9c276066		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8A2A 5460 bytes
font_01_sfnt_off00009ca1.bin
e4d3c8e141727536bd53fd56caf14c815fe17e26f9b80b7d4cb167742dc79322		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9CA1 9752 bytes

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