PDF malware analysis — malicious · ff0166bc658bd851

MALICIOUS

PDF

65.6 KB Created: 2020-08-04 05:53:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5a2d699ebbb076a6c15e2285f0e4cfef SHA-1: 5c4c5d2001591d9f293a1b2b422c2706cab2f219 SHA-256: ff0166bc658bd8510118a20f0ef8af9a4c24532a89ca3db94fff225cda6e8518

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a link that redirects to a known malicious domain, ttraff.com, disguised as a certificate of conformity. This suggests a phishing or redirection attack. The document body is heavily obfuscated but contains the malicious URL. Numerous other links to Shopify domains were also present, likely part of a link farm to improve SEO for 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=ce+certificate+of+conformity+pdf
- http://jusivafem.dressage.us/uploads/1/3/1/8/131856584/butizofurisidulowomu.pdf
- http://files.icellw.com/uploads/1/3/2/7/132712306/18869.pdf
- http://files.dobetterwhatyoudobest.com/uploads/1/3/0/9/130969999/405647.pdf
- http://files.ptmwc.net/uploads/1/3/0/7/130776852/4801802.pdf
- https://cdn.shopify.com/s/files/1/0430/0197/0837/files/xobajufinufifovipa.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/26965864763.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/38608120386.pdf
- https://cdn.shopify.com/s/files/1/0433/5173/6471/files/brief_cognitive_rating_scale.pdf
- https://cdn.shopify.com/s/files/1/0430/9821/0461/files/76771148775.pdf
- https://cdn.shopify.com/s/files/1/0431/6463/1195/files/bufebakatu.pdf
- https://cdn.shopify.com/s/files/1/0429/6251/8182/files/girepazirikij.pdf
- https://cdn.shopify.com/s/files/1/0429/1549/6092/files/archimate_3._0_poster.pdf
- https://cdn.shopify.com/s/files/1/0431/5411/2672/files/45571259290.pdf
- https://cdn.shopify.com/s/files/1/0437/0730/2037/files/12031126370.pdf
- https://cdn.shopify.com/s/files/1/0440/7053/5318/files/brother_mfc-_l2700dw_driver.pdf
- https://cdn.shopify.com/s/files/1/0440/9350/5688/files/96626852656.pdf
- https://cdn.shopify.com/s/files/1/0437/7195/3301/files/temebesatadoju.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.

Filename	Kind	Source	Size
`font_00_sfnt_off0000b6af.bin` `2fc4b53f0bd74c8f69c8d6c914e8a5ce566fe98f385d79b03acb258a13a90bfe`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB6AF	5004 bytes
`font_01_sfnt_off0000c79e.bin` `25fe6501e9c3bf94c3bb5650ac89d583dea4e68c73b987f5e38806ae2359d456`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC79E	10420 bytes
`font_02_sfnt_off0000eb61.bin` `0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEB61	4324 bytes

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