Malicious PDF — malware analysis report

Static analysis result for SHA-256 51c09f8129d21a09…

MALICIOUS

PDF

101.0 KB Created: 2020-08-04 18:55:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 84f94bb00ca23b880b70b2b57e61f57d SHA-1: 705818b8b475a45cc7f81d83d47657a2594642e6 SHA-256: 51c09f8129d21a093e005153e5cd9436cd6068db790bf91f0718d103d2b4d34f
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=what+is+parthenogenesis+pdf'. This URL is embedded within the document's text, suggesting a social engineering attempt to trick the user into visiting a potentially harmful site. The presence of numerous other external PDF links also indicates a link farm, likely for SEO manipulation or to obscure the malicious destination.

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=what+is+parthenogenesis+pdf
    • http://files.petershenkinlaw.com/uploads/1/3/0/9/130969434/7638105.pdf
    • http://files.frankpbc.org/uploads/1/3/1/6/131606133/vosederomasu.pdf
    • http://files.josuetejeda.com/uploads/1/3/0/7/130739544/6572618.pdf
    • http://files.missoryansclass.com/uploads/1/3/1/4/131407194/8caae9174c.pdf
    • https://cdn.shopify.com/s/files/1/0440/8039/8486/files/voribifaxagaw.pdf
    • https://cdn.shopify.com/s/files/1/0432/5592/2852/files/31363115578.pdf
    • https://cdn.shopify.com/s/files/1/0427/9340/2524/files/ti_rubberband_man.pdf
    • https://cdn.shopify.com/s/files/1/0433/4800/0927/files/zojiberanedateke.pdf
    • https://cdn.shopify.com/s/files/1/0440/6679/9766/files/nomenakogiwani.pdf
    • https://cdn.shopify.com/s/files/1/0433/8365/2506/files/21269872517.pdf
    • https://cdn.shopify.com/s/files/1/0438/6134/4406/files/genetics_by_pk_gupta_download.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/todexarim.pdf
    • https://cdn.shopify.com/s/files/1/0437/8266/8437/files/kopofigolenaleteruve.pdf
    • https://cdn.shopify.com/s/files/1/0439/3231/9899/files/flatten_2d_vector.pdf
    • https://cdn.shopify.com/s/files/1/0434/4630/4933/files/97599226173.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_off00013b94.bin
cc66fbf32ef137ac6509f41c8f54865c887150477a12b95a5ec58caf72763ff2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13B94 5072 bytes
font_01_sfnt_off00014cd7.bin
ea4b572d192ebfea97abef7087f0412e333598801a7a129adb0b85272851f77c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14CD7 13248 bytes
font_02_sfnt_off0001786d.bin
ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1786D 4324 bytes

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