Malicious PDF — malware analysis report

Static analysis result for SHA-256 ccc574024f02b24e…

MALICIOUS

PDF

40.9 KB Created: 2020-08-23 13:10:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7a013486e919f581161c073cff534f0f SHA-1: 3059919daebe86bd65022b185cd9a90d8b3657a0 SHA-256: ccc574024f02b24ef531d591823aa35d0b97caf9808e09edf285af1dfb15e56b
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to Shopify domains but are likely part of a link farm to improve search engine ranking for malicious content. One critical heuristic indicates a direct link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=capteur+de+niveau+capacitif+pdf'. This suggests the document's primary purpose is to redirect users to malicious sites, potentially 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=capteur+de+niveau+capacitif+pdf
    • http://fakodo.msiphotography.net/uploads/1/3/0/8/130813714/xodigadulewoson-gujuvudetip-popotogexanakut-vigapezek.pdf
    • https://cdn.shopify.com/s/files/1/0433/6055/1070/files/fafadum.pdf
    • https://cdn.shopify.com/s/files/1/0454/1018/9480/files/protein_structure_function_relationship.pdf
    • https://cdn.shopify.com/s/files/1/0430/4365/1735/files/45136784670.pdf
    • https://cdn.shopify.com/s/files/1/0428/1883/0503/files/patterns_of_computer_use_in_hospital_pharmacy.pdf
    • https://cdn.shopify.com/s/files/1/0431/3592/6434/files/milagitikapofaxusijixati.pdf
    • https://cdn.shopify.com/s/files/1/0433/9056/6556/files/mevimas.pdf
    • https://cdn.shopify.com/s/files/1/0433/4374/1083/files/2791993132.pdf
    • https://cdn.shopify.com/s/files/1/0432/9930/7673/files/3291960353.pdf
    • https://cdn.shopify.com/s/files/1/0437/7876/9045/files/bifozadiporusovevilone.pdf
    • https://cdn.shopify.com/s/files/1/0464/0725/4171/files/wutewux.pdf
    • https://cdn.shopify.com/s/files/1/0431/6083/0108/files/50914349226.pdf
    • https://cdn.shopify.com/s/files/1/0435/2468/5975/files/54433605161.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_off00006171.bin
d4a3042265d2d55c1b40e340e5323661c47eef9b2001f2a419711538404364e0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6171 4904 bytes
font_01_sfnt_off0000723e.bin
07e1818c57c3d850ad4328fe0ff3844d6de9c0a2005917cacd204aff5e1dcc88		 pdf-font-stream PDF embedded font (sfnt) at offset 0x723E 11164 bytes

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