Malicious PDF — malware analysis report

Static analysis result for SHA-256 b07f8b62bf230dcc…

MALICIOUS

PDF

62.9 KB Created: 2020-08-12 08:09:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5f6a74a27f22c4cd8defe1f00160f42d SHA-1: 46ef5e24af0f93388e0d817052fe5d481401d074 SHA-256: b07f8b62bf230dcc34a11b4f467ddd424aaa9c33ca0f274946036f513c11267e
120 Risk Score

Malware Insights

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

The PDF file was identified as malicious due to the presence of numerous embedded links. One critical heuristic firing indicates a malicious redirector link to 'https://ttraff.cc/pify?keyword=the+admonitions+of+ipuwer+pdf'. Another critical heuristic indicates a PDF link farm, with many links pointing to shopify.com domains, likely for SEO manipulation or to host further malicious content. The document body itself is largely unreadable binary data, but it does contain the aforementioned malicious URL.

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=the+admonitions+of+ipuwer+pdf
    • http://files.eternalskytravel.com/uploads/1/3/1/0/131069879/c3f2fcf518.pdf
    • http://fopiwor.hungryninja.ca/uploads/1/3/1/3/131383483/wevivaxawesimudojufo.pdf
    • http://fuzidu.dharmawomble.co.uk/uploads/1/3/2/6/132681352/5344928.pdf
    • https://cdn.shopify.com/s/files/1/0433/6916/9045/files/64146160400.pdf
    • https://cdn.shopify.com/s/files/1/0438/4958/0704/files/97613402696.pdf
    • https://cdn.shopify.com/s/files/1/0433/6985/7176/files/7875500712.pdf
    • https://cdn.shopify.com/s/files/1/0429/2729/2582/files/nupexizefo.pdf
    • https://cdn.shopify.com/s/files/1/0431/6086/2882/files/lofikakedima.pdf
    • https://cdn.shopify.com/s/files/1/0432/3603/2674/files/13139010741.pdf
    • https://cdn.shopify.com/s/files/1/0428/1958/4166/files/85418084565.pdf
    • https://cdn.shopify.com/s/files/1/0451/1825/9365/files/kanye_west_flashing_lights_mp3.pdf
    • https://cdn.shopify.com/s/files/1/0432/3393/5519/files/ceh_certified_ethical_hacker_all_in_one_exam_guide_download.pdf
    • https://cdn.shopify.com/s/files/1/0429/9161/6153/files/30972198872.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_off0000ac75.bin
8afaadcf0ab95ed294be7a713153c8d604e78aaaf689b5f131fedbb47a4552c3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAC75 5172 bytes
font_01_sfnt_off0000bdf7.bin
1af30a74bb6a7dfb468246fdc6efc51cabef9b3cea1a6d46459e65fc286b7712		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBDF7 10276 bytes
font_02_sfnt_off0000e130.bin
0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE130 4324 bytes

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