PDF malware analysis — malicious · 22c10a22bf34533d

MALICIOUS

PDF

43.0 KB Created: 2020-09-12 12:43:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 0029be654ad1f5dd4603cd81cdcbcb6e SHA-1: 21e1bbd026977553b064d8410875f8b276c425d1 SHA-256: 22c10a22bf34533d845219dab20d8ec4a2b51dcd27657947aa2c436bafbfd29c

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF document contains a mass external link farm, with the primary link directing to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL https://ttraff.me/pify?keyword=history+google+slides+template, which is the main lure. The ML classifier strongly flagged this PDF as malicious, and the presence of numerous links to external PDFs suggests an attempt to distribute malicious content or engage in SEO manipulation for malicious purposes.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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.me/pify?keyword=history+google+slides+template
- http://files.dmillsphotography.com/uploads/1/3/1/4/131454012/150016.pdf
- http://files.northwaystudents.com/uploads/1/3/1/3/131379732/nudawanobid-rozudazutuxag.pdf
- http://wigep.tuscanoaks.org/uploads/1/3/2/3/132303382/061e02514b7806.pdf
- http://sidawewu.integritybm.com.au/uploads/1/3/1/1/131164406/gotoserojeb.pdf
- http://files.worldmusicpedagogy.com/uploads/1/3/1/8/131871501/xoxanavebetuwe.pdf
- https://cdn.shopify.com/s/files/1/0431/6338/6017/files/85420693581.pdf
- https://cdn.shopify.com/s/files/1/0435/6934/8763/files/17146745049.pdf
- https://cdn.shopify.com/s/files/1/0432/5461/2123/files/wizuw.pdf
- https://cdn.shopify.com/s/files/1/0463/1065/4109/files/lewexikosefuw.pdf
- https://cdn.shopify.com/s/files/1/0481/5867/1001/files/65251685461.pdf
- https://cdn.shopify.com/s/files/1/0438/3821/0205/files/dotuzuxul.pdf
- https://static.usrfiles.com/ugd/aec2ea_05f2177812084bb08bed3054e2976069.pdf
- https://static.usrfiles.com/ugd/b148e5_263c29f6e6084ac79099763b6ee52e48.pdf
- https://static.usrfiles.com/ugd/a43ec6_60c6419243894647bf5298cc5af55f54.pdf
- https://static.usrfiles.com/ugd/466fa0_01c2c96bd03d40099bc64099bee0b6c4.pdf
- https://static.usrfiles.com/ugd/d78803_9929dbe5bfe34d3ebd6f7c13bd3fd88c.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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006b36.bin` `87ab3731df418e10a421f6deed4b9f2483762e03c37b67367e880c3f19c1fe90`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6B36	5340 bytes
`font_01_sfnt_off00007d4c.bin` `72e24a78428eb2d240df7d5c0ea712fbd5bac401f3e123676b32d0dc3b61093d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7D4C	9976 bytes

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