Malicious PDF — malware analysis report

Static analysis result for SHA-256 b9c2fd07b6396946…

MALICIOUS

PDF

201.1 KB Created: 2020-08-02 05:52:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: abb8442c78b31966dc28f065d785d289 SHA-1: cc25e37fe605293091e604a8bae5919ab04ea278 SHA-256: b9c2fd07b63969468fda903cfd70be11de2a1e2f7590c93e311c5504acc2b196
68 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=k+episode+1+english+dub'. The document body, though heavily obfuscated, contains fragments that suggest a lure related to media content and potentially urgency, as indicated by the 'SE_URGENCY_LURE' heuristic. The primary attack vector appears to be directing the user to a malicious URL, likely for further exploitation or credential harvesting.

Heuristics 3

  • 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.
  • 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.com/pify?keyword=k+episode+1+english+dub
    • http://files.shopkoco.com/uploads/1/3/1/4/131452938/maligosoj_dijeniwigapo_remupevupoteka_tewajetatuvere.pdf
    • http://files.vibedanceacademy.org/uploads/1/3/1/8/131856949/3f6aec994f7a25.pdf
    • http://files.theyarnandi.com/uploads/1/3/0/8/130814258/pubazadutavunediwu.pdf
    • https://cdn.shopify.com/s/files/1/0437/1585/4490/files/zomobiponeriduzisa.pdf
    • https://cdn.shopify.com/s/files/1/0429/3269/9302/files/lekixop.pdf
    • https://cdn.shopify.com/s/files/1/0437/1972/1115/files/lidufunumotufibepikire.pdf
    • https://cdn.shopify.com/s/files/1/0434/2277/7496/files/6130959503.pdf
    • https://cdn.shopify.com/s/files/1/0447/9765/7248/files/os_walk_python.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/19194700937.pdf
    • https://cdn.shopify.com/s/files/1/0437/0622/0712/files/teary_eyed_emoji.pdf
    • https://cdn.shopify.com/s/files/1/0428/8220/3801/files/48877897161.pdf
    • https://cdn.shopify.com/s/files/1/0440/6837/2632/files/xalasosawodaxetaj.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/56666804065.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
stream_004_off00014a5a.bin
a5894f8313fbf41b52dc1c36544f0b7ca17cefb3d915bb898fa2003b20254376		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x14A5A 132712 bytes
font_01_sfnt_off0002d16e.bin
9d0b5c5e64e2f34b521c347bdc23ba177ead4a42044810d09b38cb1b26d2e13f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D16E 5076 bytes
font_02_sfnt_off0002e2ba.bin
c193071f1b2dfb0937e10772fc67948ae0651bd4e33770b5e7ad925cd61991df		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2E2BA 16844 bytes

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