PDF malware analysis — malicious · b2f78e0599d77a96

MALICIOUS

PDF

37.0 KB Created: 2020-08-31 02:39:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 3fbe23533d4279791556963baf0fd5a2 SHA-1: 011c041c946e83841345f90dded3dc86faef04e1 SHA-256: b2f78e0599d77a96c542ea8eecb9c0faca16ef43b1f117224f17f7f3a02eb41d

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file exhibits characteristics of a link farm, containing numerous embedded URLs. One of these URLs, 'https://ttraff.com/wix?keyword=political+caricature+by+alfred+mccoy+pdf', is flagged as a malicious redirector. The document body, though heavily corrupted, contains references to this URL and other PDF links, suggesting a coordinated effort to distribute malicious content through a network of linked documents.

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/wix?keyword=political+caricature+by+alfred+mccoy+pdf
- https://static.usrfiles.com/ugd/b8c837_f6bd6d7916a9421da09cf6aa5171dfc8.pdf
- https://static.usrfiles.com/ugd/2ddd39_9593569093e74f5fa9644ef6d1b3fba8.pdf
- https://static.usrfiles.com/ugd/5fd5c1_b92567ed195a451289c79bf5cd88c6ac.pdf
- https://static.usrfiles.com/ugd/71fd01_4b1ff5e4a25841cd8f165f52298c59ad.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/semigo.pdf
- https://cdn.shopify.com/s/files/1/0433/4937/7174/files/55361823734.pdf
- https://cdn.shopify.com/s/files/1/0433/4200/4375/files/399327225.pdf
- https://cdn.shopify.com/s/files/1/0428/9619/5737/files/20112513938.pdf
- https://cdn.shopify.com/s/files/1/0432/7417/4622/files/wunatilufa.pdf
- https://static.usrfiles.com/ugd/b8c837_49773783d9b1483f950c79338b3366ba.pdf
- https://static.usrfiles.com/ugd/dcfb95_3327a924e79d42d4aec0c1655dfde013.pdf
- https://static.usrfiles.com/ugd/2274a7_417b6c7f7df747e9aacdeca745411d53.pdf
- https://static.usrfiles.com/ugd/ce14f3_c0beafc569d9490ab3f6f7a9eb771ef8.pdf
- https://static.usrfiles.com/ugd/b8c837_5d175c591d8d45b98a37a652e5fb167c.pdf
- https://static.usrfiles.com/ugd/f459ea_933dce474a5246b682f2ed54173eacb0.pdf
- https://static.usrfiles.com/ugd/b8c837_d57c29cfbea74b18957df0616ed1d60c.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_off00004685.bin` `69e58541d434de27e3ae89637e54cc05d2648213a39c0cff1d72e1724ee42d35`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4685	5144 bytes
`font_01_sfnt_off00005804.bin` `3ab7546c01638d92ef094e02fa9dc9f9fa1a217fce7eded0a99cca2c2f8306b5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5804	9696 bytes
`font_02_sfnt_off000078f2.bin` `1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x78F2	4324 bytes

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