Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc80689b77c06081…

MALICIOUS

PDF

57.4 KB Created: 2020-08-15 07:29:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8706b1bba6d124ebc1207e91201d32b6 SHA-1: a0750da224daf3e0b5b3a469ec8d172a69d333c5 SHA-256: cc80689b77c06081a57d7f2ed87e64740ff8aade4ab6b71e312fc161d42d36de
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the primary links, 'https://ttraff.com/pify?keyword=la+reina+de+los+caribes+pdf+gratis', is flagged as a malicious redirector. This suggests the document's purpose is to direct users to malicious infrastructure, likely for phishing or malware distribution. No scripts were extracted, limiting the analysis of direct execution capabilities.

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.
  • 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.
  • 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=la+reina+de+los+caribes+pdf+gratis
    • http://files.sel-gipes.com/uploads/1/3/0/7/130775249/10950.pdf
    • http://suvurijer.sbartlett.com/uploads/1/3/1/4/131437594/rebijigimi_bedizanute.pdf
    • http://files.manpatools.com/uploads/1/3/1/4/131406735/jijiwakarok.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/42539854631.pdf
    • https://cdn.shopify.com/s/files/1/0429/8499/7025/files/gowijivibofidifexemad.pdf
    • https://cdn.shopify.com/s/files/1/0432/9363/8816/files/wivum.pdf
    • https://cdn.shopify.com/s/files/1/0434/9601/3990/files/sefowexawafudixu.pdf
    • https://cdn.shopify.com/s/files/1/0430/6521/3079/files/mekut.pdf
    • https://cdn.shopify.com/s/files/1/0431/8229/3141/files/34140592646.pdf
    • https://cdn.shopify.com/s/files/1/0432/1456/9640/files/wigefuwebarufakufopeluva.pdf
    • https://cdn.shopify.com/s/files/1/0432/6948/8798/files/bathukamma_songs_lyrics_in_telugu.pdf
    • https://cdn.shopify.com/s/files/1/0429/9954/6010/files/autotransformer_theory.pdf
    • https://cdn.shopify.com/s/files/1/0432/2174/5822/files/pesufusaxuwar.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_off0000862b.bin
509c3f07dc7309aacac7af1786193d6b5294f11a91ca186b751fc9d4ca9b7789		 pdf-font-stream PDF embedded font (sfnt) at offset 0x862B 7528 bytes
font_01_sfnt_off00009f19.bin
1548179f0e6ebb1d3c0ac1a0afcb363b712669e9846a027d6d4b46fce0f80138		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9F19 5404 bytes
font_02_sfnt_off0000b186.bin
7d16b84b6eed43547de6dc988db4fa780e8439655768b2ac4b891d19210c93dd		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB186 11460 bytes

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