Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fe7e07094623b92…

MALICIOUS

PDF

161.5 KB Created: 2020-08-17 10:12:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3e8c741962b93e15274bc443e24f1153 SHA-1: c5e0c840b1672842d69de7110133b476d37dbe1d SHA-256: 2fe7e07094623b92d2b8965f62be27ced0dd22f8a86be6508d8d0131bb9e0ca8
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a malicious redirector link. The embedded URL, 'https://ttraff.ru/pify?keyword=android+developer+studio+emulator', is directly associated with this malicious activity. The document body, though heavily obfuscated, also contains this URL, suggesting it's the primary lure. No scripts were extracted, and the PDF structure itself does not indicate specific exploitation techniques beyond the malicious link.

Heuristics 2

  • 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.
  • 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=android+developer+studio+emulator
    • http://files.ratswamp.com/uploads/1/3/2/7/132710654/f676ec63a2a5f.pdf
    • http://files.dporganizing.com/uploads/1/3/0/7/130775292/7189464.pdf
    • https://cdn.shopify.com/s/files/1/0437/6310/5953/files/the_greening_of_whitney_brown.pdf
    • https://cdn.shopify.com/s/files/1/0430/7392/9378/files/tivemivula.pdf
    • https://cdn.shopify.com/s/files/1/0433/9708/7390/files/iehp_prior_authorization_form.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vuzodatusowajukekef.pdf
    • https://cdn.shopify.com/s/files/1/0439/0476/2011/files/lisuvojipax.pdf
    • https://cdn.shopify.com/s/files/1/0443/2723/9836/files/eyes_text_symbol.pdf
    • https://cdn.shopify.com/s/files/1/0438/4745/0789/files/theological_dictionary_of_the_new_testament_kittel.pdf
    • https://cdn.shopify.com/s/files/1/0441/2620/8152/files/91214586587.pdf
    • https://cdn.shopify.com/s/files/1/0429/0789/3919/files/46954217321.pdf
    • https://cdn.shopify.com/s/files/1/0439/2891/2040/files/74206192843.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_off000244f3.bin
57ef8d54e62881fa4dcf30643ccdb8f4c332b0835a53ace500cf07a1c2229f2b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x244F3 5156 bytes
font_01_sfnt_off00025661.bin
1a8d3e54dc29a30ef3def4a94647e03a2ac17002acd97f42ca6162d02f3d377d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25661 9980 bytes

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