Malicious PDF — malware analysis report

Static analysis result for SHA-256 22223225970ca76e…

MALICIOUS

PDF

41.2 KB Created: 2020-08-04 10:39:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 544909b22c933adca6aec2f937324207 SHA-1: d42ac95380dd283674b4ed5b4363df6a3f406b8a SHA-256: 22223225970ca76e71b07d640ca02efbccbe86568c5c790e91fd2af8488877f3
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, with one identified as a malicious redirector. This suggests the document is part of a link farm or SEO poisoning campaign designed to drive traffic to malicious sites. The presence of numerous shopify.com links, many of which are benign, may be an attempt to camouflage the malicious redirector.

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.com/pify?keyword=capteur+de+proximit%25C3%25A9+capacitif+pdf
    • http://files.thesunnymom.com/uploads/1/3/1/8/131871494/lenojuti.pdf
    • http://files.centralfloridadressage.com/uploads/1/3/1/4/131482976/4a1ea79.pdf
    • http://files.southernoksrrodeo.com/uploads/1/3/1/4/131453124/5160425.pdf
    • https://cdn.shopify.com/s/files/1/0431/6240/2967/files/97589489137.pdf
    • https://cdn.shopify.com/s/files/1/0431/1311/9905/files/22749753726.pdf
    • https://cdn.shopify.com/s/files/1/0435/5447/2087/files/how_to_uninstall_eclipse_on_mac.pdf
    • https://cdn.shopify.com/s/files/1/0431/6938/2568/files/exxaro_bursary_application_forms_2020.pdf
    • https://cdn.shopify.com/s/files/1/0433/8450/4474/files/bewava.pdf
    • https://cdn.shopify.com/s/files/1/0431/9117/3278/files/74874803631.pdf
    • https://cdn.shopify.com/s/files/1/0427/6381/3020/files/bawonirujegijikelixas.pdf
    • https://cdn.shopify.com/s/files/1/0430/6105/1546/files/vexujodogajivojegurelalax.pdf
    • https://cdn.shopify.com/s/files/1/0434/9899/5864/files/bexev.pdf
    • https://cdn.shopify.com/s/files/1/0428/5012/3943/files/gibifukimenifefasixu.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/74832969368.pdf
    • https://cdn.shopify.com/s/files/1/0434/8307/0630/files/sobalamakeguririduwiv.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_off00005fac.bin
ed716a2bf1cd710a450dce8848e6de18a7cac70e58e492505659c9166cdc14d9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FAC 5208 bytes
font_01_sfnt_off0000710e.bin
78f1329414e3346dccf0a3479208b3374b4561c9846e2ae05c0aefab7a581378		 pdf-font-stream PDF embedded font (sfnt) at offset 0x710E 11840 bytes

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