Malicious PDF — malware analysis report

Static analysis result for SHA-256 d5d68a24e0f6b0d9…

MALICIOUS

PDF

43.3 KB Created: 2020-09-01 13:19:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d2398eced5686e5d74b1fc4d0f78ec10 SHA-1: 4aef8d379db256735fe68118149845fd0848515c SHA-256: d5d68a24e0f6b0d90c0e046036e1dc1a86dcce6bb09f3ea2196909977317d70a
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/wix?keyword=hindustani+movie+video+songs+free'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, with a significant portion hosted on cdn.shopify.com. The document body, though heavily obfuscated, contains similar URL patterns, suggesting a social engineering attempt to trick users into clicking malicious links.

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.
  • 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
  • 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=hindustani+movie+video+songs+free
    • https://cdn.shopify.com/s/files/1/0433/4203/7150/files/98747306917.pdf
    • https://cdn.shopify.com/s/files/1/0457/8073/0012/files/spotify_premium_apk_2018_october.pdf
    • https://cdn.shopify.com/s/files/1/0427/7154/6279/files/there_is_there_are_exercises_agenda_web.pdf
    • https://cdn.shopify.com/s/files/1/0440/6122/9206/files/thermo_scientific_cdna_synthesis_protocol.pdf
    • https://cdn.shopify.com/s/files/1/0433/1143/1838/files/7703545269.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57148414383.pdf
    • https://cdn.shopify.com/s/files/1/0460/0555/1271/files/redalufawulalod.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bolosenisom.pdf
    • https://cdn.shopify.com/s/files/1/0431/2530/9604/files/gettysburg_licensed_battlefield_guide_salary.pdf
    • https://cdn.shopify.com/s/files/1/0429/9735/0554/files/gigovagozudukojibewa.pdf
    • https://cdn.shopify.com/s/files/1/0437/9846/2624/files/50022464172.pdf
    • https://cdn.shopify.com/s/files/1/0428/4920/6439/files/24994728561.pdf
    • https://cdn.shopify.com/s/files/1/0429/0484/6503/files/dolce_gusto_krups_piccolo_manual.pdf
    • https://cdn.shopify.com/s/files/1/0437/7152/7325/files/built_to_last_book.pdf
    • https://cdn.shopify.com/s/files/1/0439/4886/7739/files/tamoganobig.pdf
    • https://static.usrfiles.com/ugd/739437_82d56eeb4cb444609a9c0e9b9058b56e.pdf
    • https://static.usrfiles.com/ugd/b8c837_85a02cd4e13f44c7a75ca7189ebe6650.pdf
    • https://static.usrfiles.com/ugd/b8c837_de82ef8dd8774e5a86d629f3711181a5.pdf
    • https://static.usrfiles.com/ugd/b8c837_44e0ba3334f64d47beeeb561eed61a33.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/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006b9b.bin
34d3d3c19eeb9b6ab391002f62ae31bf930aad31d68c582a76e636e114186443		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B9B 5216 bytes
font_01_sfnt_off00007d4c.bin
bab4461fc0f9f5cb56261128a76582a2a04d9eb6944b59d60bb37844e4ef0290		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7D4C 10108 bytes

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