Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0b21fc7bda38dfb…

MALICIOUS

PDF

46.7 KB Created: 2020-08-25 01:50:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 47e0f510be315677365a9a9be5056679 SHA-1: 8de67ceaa99cf3a1a7433045f896e665eab292bf SHA-256: d0b21fc7bda38dfb9c94560eadf364ccd374cd03b3fd04d9390693628e58019a
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains text referencing an 'incapacity hearing template' and includes the URL https://ttraff.ru/pify?keyword=incapacity+hearing+template, which is flagged as malicious. This suggests the document is designed to trick users into visiting malicious sites, likely for phishing or malware distribution.

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.ru/pify?keyword=incapacity+hearing+template
    • http://files.ufwlifestyle.com/uploads/1/3/2/7/132740362/gumifomur.pdf
    • http://files.maununezregueiro.org/uploads/1/3/1/8/131871705/monapuwuvisegi_pofawokemeda_kigad.pdf
    • http://files.rotaractpac.org/uploads/1/3/1/4/131437755/wagasopa.pdf
    • http://files.willowshealingpath.com/uploads/1/3/1/3/131379174/1537001.pdf
    • http://files.ufwlifestyle.com/uploads/1/3/2/7/132740362/gumifomur.p
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xuxovozukirofavekejob.pdf
    • https://cdn.shopify.com/s/files/1/0438/0327/9517/files/fallout3_strategy_guide.pdf
    • https://cdn.shopify.com/s/files/1/0428/9154/2681/files/zudujijomun.pdf
    • https://cdn.shopify.com/s/files/1/0429/5619/3955/files/xosuv.pdf
    • https://cdn.shopify.com/s/files/1/0429/6572/9429/files/bupuxufukorexopinaga.pdf
    • https://cdn.shopify.com/s/files/1/0430/5757/8137/files/8674415862.pdf
    • https://cdn.shopify.com/s/files/1/0433/4754/2165/files/pdf_botanica_oculta.pdf
    • https://cdn.shopify.com/s/files/1/0433/0664/7717/files/kalogalenizekowegaxep.pdf
    • https://cdn.shopify.com/s/files/1/0432/2839/7732/files/arithmetic_mean_problems.pdf
    • https://cdn.shopify.com/s/files/1/0434/4607/5542/files/princes_of_the_apocalypse_guide.pdf
    • https://cdn.shopify.com/s/files/1/0431/7125/0335/files/kovobonukejifol.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_off000079bc.bin
a11338d3bdbb241c14ef8bd8af177868ddf07dbde775976e6f82045e302763d7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x79BC 5208 bytes
font_01_sfnt_off00008b48.bin
9d4d62d43ffc4d839a621511e97ed71d25a19467b1e51d88a83c0dcd25bba11c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8B48 10056 bytes

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