Malicious PDF — malware analysis report

Static analysis result for SHA-256 fee2d9d87e76ac6b…

MALICIOUS

PDF

46.5 KB Created: 2020-08-04 02:54:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5da57d2efc4c7678b2028e10ba6cb80d SHA-1: 23b8f052c9ca3dc96a274a2112cd175e3398b2ac SHA-256: fee2d9d87e76ac6b8bde4440f18d3500c506dc502360ec97d8bd273565634e32
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic identifying a malicious redirector. The document body, though partially corrupted, contains text related to 'carb cycle for fat loss pdf' and the malicious URL. This suggests a social engineering lure to trick users into visiting a potentially harmful site.

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=carb+cycle+for+fat+loss+pdf
    • http://files.cardinalaviation.ca/uploads/1/3/1/4/131437385/xuxugoxot.pdf
    • http://files.rootandbranchtrees.com/uploads/1/3/0/7/130738764/8862281.pdf
    • http://files.ericasfairyforest.com/uploads/1/3/0/9/130969061/fomejixonirawugel.pdf
    • https://cdn.shopify.com/s/files/1/0433/0595/9574/files/67216439866.pdf
    • https://cdn.shopify.com/s/files/1/0429/4773/9811/files/how_to_run_redistributables_in_inno_setup.pdf
    • https://cdn.shopify.com/s/files/1/0433/0363/3051/files/jigagovonipufil.pdf
    • https://cdn.shopify.com/s/files/1/0432/6676/9051/files/89367779492.pdf
    • https://cdn.shopify.com/s/files/1/0434/6878/3773/files/19734121007.pdf
    • https://cdn.shopify.com/s/files/1/0435/8933/7256/files/gulenuwitatexikoke.pdf
    • https://cdn.shopify.com/s/files/1/0437/3607/2341/files/jimapabagi.pdf
    • https://cdn.shopify.com/s/files/1/0431/4474/1015/files/foundations_of_logic_programming.pdf
    • https://cdn.shopify.com/s/files/1/0434/5259/6374/files/96568869991.pdf
    • https://cdn.shopify.com/s/files/1/0438/1927/0306/files/zamakewo.pdf
    • https://cdn.shopify.com/s/files/1/0433/2748/8168/files/wibafovemon.pdf
    • https://cdn.shopify.com/s/files/1/0428/4035/9068/files/bararazafawutejer.pdf
    • https://cdn.shopify.com/s/files/1/0431/5915/8940/files/rslogix_5000_training.pdf
    • https://cdn.shopify.com/s/files/1/0430/8838/0061/files/43701184670.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_off0000774b.bin
dc0f376e7d3d795fe9f0b6d97145c7523abfc82de7e18036031aa31dfded74e8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x774B 5296 bytes
font_01_sfnt_off0000895f.bin
9628a002d7860500a39fd4cb5dacb2834edec7627d6990a325f180fdadc65425		 pdf-font-stream PDF embedded font (sfnt) at offset 0x895F 10560 bytes

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