Malicious PDF — malware analysis report

Static analysis result for SHA-256 c18f32cdb85e24c0…

MALICIOUS

PDF

166.6 KB Created: 2020-08-03 13:47:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: cc01b75637d91a835cc1a6fcaa13eb69 SHA-1: 6f7b804bf64f39db95c41b668cbe79c531a3b994 SHA-256: c18f32cdb85e24c0832d465b8b673e16b55670c9f56372897facafcf13cc12dc
100 Risk Score

Malware Insights

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

The PDF file contains heuristics indicating it is a malicious redirector link and uses an advance-fee scam lure. The embedded URL, https://ttraff.ru/pify?keyword=creation+of+internet+pdf, is flagged as malicious. The document body, though heavily obfuscated, contains this URL, reinforcing the lure to trick users into clicking it for a fraudulent purpose.

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.
  • 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.
  • 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.ru/pify?keyword=creation+of+internet+pdf
    • http://files.shadowoodgolfshop.com/uploads/1/3/2/6/132696080/9925377.pdf
    • http://files.movingmemorycompany.com/uploads/1/3/1/4/131407918/4666431.pdf
    • http://files.ohmylashuk.co.uk/uploads/1/3/1/3/131398268/zigolawamu-lupaxa.pdf
    • https://cdn.shopify.com/s/files/1/0435/9300/7272/files/11648526168.pdf
    • https://cdn.shopify.com/s/files/1/0432/0290/4222/files/96370345009.pdf
    • https://cdn.shopify.com/s/files/1/0428/4815/7859/files/94484709459.pdf
    • https://cdn.shopify.com/s/files/1/0431/4864/0418/files/75257639448.pdf
    • https://cdn.shopify.com/s/files/1/0437/6068/1109/files/audi_mmi_update.pdf
    • https://cdn.shopify.com/s/files/1/0431/5850/3584/files/wijeritodakopud.pdf
    • https://cdn.shopify.com/s/files/1/0429/2490/0515/files/kedavuwapuzorefe.pdf
    • https://cdn.shopify.com/s/files/1/0434/0921/1557/files/dulopitufakuwal.pdf
    • https://cdn.shopify.com/s/files/1/0430/4578/1665/files/50389720790.pdf
    • https://cdn.shopify.com/s/files/1/0439/3366/3400/files/load_function_matlab.pdf
    • https://cdn.shopify.com/s/files/1/0431/5178/6145/files/sql_server_for_loop.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023155.bin
9c3f4bcbb38437e00864895d75179192047f66af939254b9e939e29d3f8c06ef		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23155 4304 bytes
font_01_sfnt_off00024074.bin
78e67310a207cd60b223f2186fd554ee1656508b4064a479ca7eff9528779aa8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24074 4636 bytes
font_02_sfnt_off00025040.bin
1dd76ac68da0259b9ca8afb0b8b44f2df3998f9c02ad9b1fb5c448692969fe1e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25040 14468 bytes
font_03_sfnt_off00027dfa.bin
05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27DFA 4324 bytes

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