Malicious PDF — malware analysis report

Static analysis result for SHA-256 959c5867290de7a3…

MALICIOUS

PDF

44.2 KB Created: 2020-08-09 00:46:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4017453307bf6eeff26a3fce85728781 SHA-1: 839744222168e84badafede5701cd8c9f7bf2a52 SHA-256: 959c5867290de7a3c20aba40b0b45f21f8d39168695a97ecd147bedd1352a7ef
168 Risk Score

Malware Insights

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

The PDF file contains numerous links, including one pointing to a known malicious redirector at `https://ttraff.cc/pify?keyword=agricultural+technology+management+agency+pdf`. The heuristic `SE_ADVANCE_FEE_SCAM_LURE` indicates the document's content is designed to deceive users with promises of prizes or funds, requiring them to interact with the links. The presence of a 'download button' lure further supports this deceptive intent. No scripts were extracted from this sample.

Heuristics 5

  • 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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/pify?keyword=agricultural+technology+management+agency+pdf
    • http://files.rosemarysgardenhouston.com/uploads/1/3/1/1/131164386/3459725.pdf
    • http://files.ronalddoering.com/uploads/1/3/1/6/131606951/6727f.pdf
    • http://files.peduroqatar2019.net/uploads/1/3/1/4/131438003/2601751.pdf
    • http://files.osbornelumber.net/uploads/1/3/0/8/130813413/308061.pdf
    • https://cdn.shopify.com/s/files/1/0434/5770/8193/files/a_wrinkle_in_time_movie_activities.pdf
    • https://cdn.shopify.com/s/files/1/0431/1141/5962/files/2792508639.pdf
    • https://cdn.shopify.com/s/files/1/0432/9901/2766/files/70409360415.pdf
    • https://cdn.shopify.com/s/files/1/0433/2234/3577/files/75897863272.pdf
    • https://cdn.shopify.com/s/files/1/0434/2562/8316/files/linux_shell_scripting_tutorial_download.pdf
    • https://cdn.shopify.com/s/files/1/0428/3029/9292/files/topobupubefebokiresen.pdf
    • https://cdn.shopify.com/s/files/1/0446/1743/3251/files/khan_academy_mappers.pdf
    • https://cdn.shopify.com/s/files/1/0438/3450/7426/files/visadiwepetexiril.pdf
    • https://cdn.shopify.com/s/files/1/0432/6876/7912/files/31779366168.pdf
    • https://cdn.shopify.com/s/files/1/0439/0689/1931/files/ascii_hex_codes.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_off00006062.bin
28c07cf23b21ff87b6d4873b5e2cabbabfeac925d8387f523507c7b15d77f198		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6062 5364 bytes
font_01_sfnt_off00007274.bin
c304296ca1f66bcf7d7b459f322ba00e0fae141018f1286727247270bca9989d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7274 10368 bytes
font_02_sfnt_off000095e3.bin
9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x95E3 4324 bytes

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