Malicious PDF — malware analysis report

Static analysis result for SHA-256 24d93ab73216bf01…

MALICIOUS

PDF

47.8 KB Created: 2020-09-08 09:54:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 81318b1a26ec3edc7ebe160d8958ef0a SHA-1: bcdd0bcdb29de088cd3c2736ab4aa54f0738c604 SHA-256: 24d93ab73216bf01169659cd9817dda78a1dc236075126bd95b4f28c11169aeb
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 benign content on Shopify. However, one critical heuristic firing indicates a link to a known malicious redirector at `ttraff.club`. The document body, though heavily obfuscated, contains the same URL, suggesting the primary purpose is to redirect the user to malicious infrastructure. No scripts were extracted from this sample.

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.club/wix?keyword=catalogo+mary+kay+julio+2019+mexico+pdf
    • https://static.usrfiles.com/ugd/ac1638_03c9fbfd4045437fa5736ed6d1280152.pdf
    • https://static.usrfiles.com/ugd/d8e941_c3d4ba3591fd4714b70f680a035c8c46.pdf
    • https://static.usrfiles.com/ugd/b8c837_8b05a0a6ff51488e9516e0d1cbbee83e.pdf
    • https://cdn.shopify.com/s/files/1/0436/0136/3107/files/74882967600.pdf
    • https://cdn.shopify.com/s/files/1/0434/8480/7334/files/virimibepugetir.pdf
    • https://cdn.shopify.com/s/files/1/0436/3111/6448/files/tinapunudonux.pdf
    • https://cdn.shopify.com/s/files/1/0437/0418/9096/files/92089357205.pdf
    • https://cdn.shopify.com/s/files/1/0465/1584/7326/files/carestation_650_service_manual.pdf
    • https://cdn.shopify.com/s/files/1/0429/8942/0695/files/shake_hands_with_the_devil.pdf
    • https://cdn.shopify.com/s/files/1/0427/8000/0423/files/rananefarofudosisegipaf.pdf
    • https://cdn.shopify.com/s/files/1/0437/6713/6413/files/chashme_baddoor_full_movie_720p_openload.pdf
    • https://cdn.shopify.com/s/files/1/0433/9925/0081/files/rugorodovob.pdf
    • https://cdn.shopify.com/s/files/1/0439/4146/2174/files/mc_color_codes.pdf
    • https://cdn.shopify.com/s/files/1/0435/6096/0159/files/vonejedagagokaloforimuva.pdf
    • https://cdn.shopify.com/s/files/1/0428/5209/0022/files/63430111295.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_off0000615d.bin
2cdaf9cb458d9e247c06ef6f1a5e63fcfd123e894126c9db14e937f29bc5602c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x615D 5996 bytes
font_01_sfnt_off000075ca.bin
4e37640d0b66f5e492b18a6bb340aa418de02a918a3914945a07a1307ee41b94		 pdf-font-stream PDF embedded font (sfnt) at offset 0x75CA 10672 bytes
font_02_sfnt_off00009a90.bin
c54e54986931a9dcd589f51818b3983e0b43813687a87e6eb07989152f45ac67		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9A90 16324 bytes

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