PDF malware analysis — malicious · d94e7acfa087ad18

MALICIOUS

PDF

44.6 KB Created: 2020-09-01 21:13:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 854b5176e81de7747dfac76d5cc93b32 SHA-1: fb41f05489ac9e8529cd19853b3c7dabae8af598 SHA-256: d94e7acfa087ad18e21d552baf73334a8ebe37f4d2d9e6f31c0783ff39212e6f

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a lure related to 'vshare no pc' and embeds multiple links. One of these links, https://ttraff.club/wix?keyword=vshare++no+pc, is identified as a malicious redirector. The document also includes a heuristic indicating a password-protected archive lure, suggesting the PDF itself might be a decoy to obtain a password for a separate malicious archive. The presence of a link farm further supports a malicious distribution intent.

Heuristics 4

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.
Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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=vshare++no+pc
- https://static.usrfiles.com/ugd/15cd4d_84e5fe6ed9c646dda5472559cd139d9f.pdf
- https://static.usrfiles.com/ugd/6cfc61_552115384329499e9e102da8ef10fc6d.pdf
- https://static.usrfiles.com/ugd/b9801a_0c24783dc491421d91b7380ef736c03c.pdf
- https://static.usrfiles.com/ugd/430cb2_462bb8d2dafa4af5b286751831e3fb94.pdf
- https://cdn.shopify.com/s/files/1/0462/2771/8293/files/gasudebevogu.pdf
- https://cdn.shopify.com/s/files/1/0430/9286/9281/files/mudosonefigixitav.pdf
- https://cdn.shopify.com/s/files/1/0436/0326/3650/files/58861980932.pdf
- https://cdn.shopify.com/s/files/1/0428/5428/5479/files/sefazeromofafomule.pdf
- https://cdn.shopify.com/s/files/1/0436/2131/8818/files/tijetokobitifepabum.pdf
- https://cdn.shopify.com/s/files/1/0432/5254/7739/files/livre_apprendre_le_franais_gratuit.pdf
- https://static.usrfiles.com/ugd/9219f8_1549ae4db9234a1e823c1245a8691f0e.pdf
- https://static.usrfiles.com/ugd/b8c837_7eed876721274d7497c164aae81da313.pdf
- https://static.usrfiles.com/ugd/b8c837_7a4506a47f6047d0a94f367898079fad.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_off000062aa.bin` `da0e3d62df1e37bfb771abfd6d2bb6259b92a4d5b65580b88c30d54407a1dd22`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x62AA	4616 bytes
`font_01_sfnt_off00007236.bin` `94b7afa8e31e9220f61efa0b3bb9c325815e07df344f00e4e4a77cfe8cac8cfc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7236	11104 bytes
`font_02_sfnt_off00009760.bin` `cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9760	4324 bytes

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