Malicious PDF — malware analysis report

Static analysis result for SHA-256 f56e5ebb03cae294…

MALICIOUS

PDF

35.8 KB Created: 2020-08-23 12:33:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 74e1494d02ec7531894990e86e5da68e SHA-1: 7afbfd75644ff3371fa73e96719216223e38441a SHA-256: f56e5ebb03cae294f4a837438edcc6846f825ce632afc26c58527a760724812f
120 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, specifically pointing to 'https://ttraff.cc/pify?keyword=find+someone+who+template+word'. This indicates an attempt to redirect the user to a malicious site. The document also contains a large number of embedded links, many hosted on Shopify, which is characteristic of SEO link farm techniques used to obscure malicious intent. No scripts were extracted, but the presence of the malicious redirector URL is sufficient evidence of a phishing or redirection attack.

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.cc/pify?keyword=find+someone+who+template+word
    • http://rudesub.alan-pierrebotti.co.uk/uploads/1/3/2/6/132682090/zuruvutukusore-litovubok-mekibinukazuxo-retejilowol.pdf
    • http://files.authorpparsons.com/uploads/1/3/1/8/131857626/2b636e1.pdf
    • https://cdn.shopify.com/s/files/1/0435/4611/6248/files/jomitafi.pdf
    • https://cdn.shopify.com/s/files/1/0435/0532/0088/files/git_revert_pushed_commit.pdf
    • https://cdn.shopify.com/s/files/1/0440/8714/8709/files/tecnologia_de_la_informatica.pdf
    • https://cdn.shopify.com/s/files/1/0449/3754/3848/files/samsung_s4_manuals.pdf
    • https://cdn.shopify.com/s/files/1/0431/8576/6564/files/97459930631.pdf
    • https://cdn.shopify.com/s/files/1/0432/8819/9328/files/47680024477.pdf
    • https://cdn.shopify.com/s/files/1/0429/6255/0940/files/82974967673.pdf
    • https://cdn.shopify.com/s/files/1/0431/5391/6060/files/information_geometry_of_divergence_functions.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_off00004fa7.bin
6b2886c4db63629df5f8ce8670ab884b9800eeb3a51b0821f3bca28aa24c4888		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4FA7 5244 bytes
font_01_sfnt_off0000615f.bin
e870a890333d05b2395f02d0e6778a4822c1c19ffb48bb720b91cf4d7267c8c3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x615F 9844 bytes

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