Malicious PDF — malware analysis report

Static analysis result for SHA-256 b5defff8e001e231…

MALICIOUS

PDF

44.9 KB Created: 2020-08-16 12:15:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fcc7b3464ca7baca06136b5765e9cd82 SHA-1: b2aeb4f3e266ea1b07932b0486e628f682243765 SHA-256: b5defff8e001e231c9304d121286e65a35bf758e14f5193b9aaeac5e703859dc
160 Risk Score

Malware Insights

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

The PDF contains a lure for a song download, which redirects to the malicious URL https://ttraff.com/pify?keyword=bekhayali+full+audio+song++in+320kbps. The document also contains a high-risk lure for remote support tools, suggesting a potential social engineering pretext for further compromise. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm designed to manipulate search engine results.

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.
  • Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
    Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
  • 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=bekhayali+full+audio+song++in+320kbps
    • http://files.saintmargaret.org/uploads/1/3/0/7/130738915/nonuviwosif-zevisogefof.pdf
    • http://files.springsteched.net/uploads/1/3/1/6/131637553/884f48437fea2.pdf
    • http://vovika.usscreenprintingandsigns.com/uploads/1/3/0/8/130874422/598ef6a8.pdf
    • http://wigopi.marleekatz.com/uploads/1/3/0/7/130775169/sixekiperofo_wopesibazamobe_tuzot_zemudan.pdf
    • http://bunegugi.lvmgranite.com/uploads/1/3/1/3/131398367/pupejolix.pdf
    • https://cdn.shopify.com/s/files/1/0431/7793/5004/files/wofenepusasosezaxubiru.pdf
    • https://cdn.shopify.com/s/files/1/0427/7207/0556/files/teamviewer_apk_uptodown.pdf
    • https://cdn.shopify.com/s/files/1/0440/5483/9461/files/99557269314.pdf
    • https://cdn.shopify.com/s/files/1/0431/8851/9074/files/blossoms_of_the_savannah_themes.pdf
    • https://cdn.shopify.com/s/files/1/0431/9831/6705/files/8983176667.pdf
    • https://cdn.shopify.com/s/files/1/0432/2210/6271/files/bopewanig.pdf
    • https://cdn.shopify.com/s/files/1/0434/0383/7592/files/6526967850.pdf
    • https://cdn.shopify.com/s/files/1/0449/4698/1023/files/autocad_3d_tutorials_with_exercise.pdf
    • https://cdn.shopify.com/s/files/1/0431/5162/2306/files/susuzatidisitujujilesuto.pdf
    • https://cdn.shopify.com/s/files/1/0432/5667/6507/files/tissot_prc_200_user_manual.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005976.bin
e26287ecd1602141c4250d3cadfdc54146094ba2943c45e5c9aa508c092138e3
pdf-font-stream PDF embedded font (sfnt) at offset 0x5976 5804 bytes
font_01_sfnt_off00006d28.bin
c999503d8dc8b5b704c7b18102b3ffff7070df227015f5a20b016cf116981476
pdf-font-stream PDF embedded font (sfnt) at offset 0x6D28 13780 bytes
font_02_sfnt_off000098cf.bin
9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2
pdf-font-stream PDF embedded font (sfnt) at offset 0x98CF 4324 bytes