PDF malware analysis — malicious · fd78d521358691fc

MALICIOUS

PDF

64.6 KB Created: 2020-08-31 11:52:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: c09b4cb38ee75beda218b7fb9a2c601b SHA-1: 4582e6f7b6a80aa790131e8025d427b6b144bf3d SHA-256: fd78d521358691fc1773d762b1e9983841bd732daa8da6fdfec8cd8172e4e6d2

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document was flagged by a critical heuristic for linking to known malicious redirector infrastructure, specifically 'ttraff.com'. Additionally, it contains a large number of embedded links, identified as a PDF link farm, likely intended to manipulate search engine results or lead users to malicious content. No scripts were extracted, and the document body is heavily obfuscated, preventing further analysis of its specific lure.

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.com/wix?keyword=filtro+butterworth+pasa+bajas
- https://cdn.shopify.com/s/files/1/0429/7919/7081/files/fisalubunodo.pdf
- https://cdn.shopify.com/s/files/1/0434/3041/2450/files/ruwodal.pdf
- https://cdn.shopify.com/s/files/1/0432/8967/3888/files/jotatamosujarume.pdf
- https://static.usrfiles.com/ugd/b8c837_23aa52622ae04cd6862ec580406df94f.pdf
- https://static.usrfiles.com/ugd/b8c837_3ad9e121e30941b399d137c18de57ba9.pdf
- https://static.usrfiles.com/ugd/b444d4_15778f8bfd3e4342bd9fc144f061962b.pdf
- https://static.usrfiles.com/ugd/c8a981_a18dbe79455947c9afd0d8a5928d8d18.pdf
- https://static.usrfiles.com/ugd/2f8cea_3262db0799a64dce80c3012a53f59a97.pdf
- https://static.usrfiles.com/ugd/b4609a_9d84a9b21a144b49a7291573b60df113.pdf
- https://static.usrfiles.com/ugd/b8c837_441bc173269a423b8cc0cf9aab728601.pdf
- https://static.usrfiles.com/ugd/b8c837_e8fe4587652c40f08584ce7fbf0b8d62.pdf
- https://static.usrfiles.com/ugd/b88e3d_405855b74b674c658c12944e0a3a9651.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/91300886864.pdf
- https://cdn.shopify.com/s/files/1/0435/4483/8303/files/lasizer.pdf
- https://cdn.shopify.com/s/files/1/0431/2589/9426/files/87065191215.pdf
- https://cdn.shopify.com/s/files/1/0435/4854/1087/files/nimukajunebidafeduwosufer.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_off00009b53.bin` `eccca178fdbff9e9279b6659dc388297b6b493145a59d6d7e1fc3acaea90b9c6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9B53	5168 bytes
`font_01_sfnt_off0000acee.bin` `887848734ce062ec392006622290e202a973184815acaaade541b91a4aff5b12`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xACEE	16352 bytes
`font_02_sfnt_off0000e011.bin` `a9f7946c6fb1d9a56c6cb1188e7327a1cde7cd9d6d2f72310ea27776ea41e62e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE011	16148 bytes

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