PDF malware analysis — malicious · 2bfe1b78911fdd81

MALICIOUS

PDF

48.7 KB Created: 2020-08-02 08:15:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 974fd655c8c734d4de6648763491ddd6 SHA-1: 685819e382467e353a8cf38868333f6eae44c808 SHA-256: 2bfe1b78911fdd811bbf05d442815b668657311f05c5b00da78097ab7889aae1

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a link to a known malicious redirector, ttraff.cc, which is designed to lead users to malicious sites. The document body, though heavily obfuscated, contains the same URL and text related to 'life of luxury slot machine cheats', suggesting a lure for potentially fraudulent content or further malicious redirection. The presence of a large number of external PDF links also indicates a link farm, a common tactic for SEO manipulation and traffic redirection.

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.cc/pify?keyword=life+of+luxury+slot+machine+cheats
- http://files.rotterdamenglishspeakingtheatre.nl/uploads/1/3/1/4/131452735/dujigowalu_sewugumibafek_gomoxesorita_rutijoxe.pdf
- http://files.leppingnation.com/uploads/1/3/1/8/131872021/lekiwo.pdf
- http://files.clevedonnaturalhorsemanship.com/uploads/1/3/1/3/131379991/vekebugosuse.pdf
- https://cdn.shopify.com/s/files/1/0435/4713/2068/files/tominagapusope.pdf
- https://cdn.shopify.com/s/files/1/0435/2812/6618/files/wumowufawaxazur.pdf
- https://cdn.shopify.com/s/files/1/0431/8376/7713/files/93289630079.pdf
- https://cdn.shopify.com/s/files/1/0432/3190/3902/files/52970285131.pdf
- https://cdn.shopify.com/s/files/1/0432/3858/8584/files/nokepofibexevidonikujavu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86556218032.pdf
- https://cdn.shopify.com/s/files/1/0429/8565/2375/files/84716096486.pdf
- https://cdn.shopify.com/s/files/1/0437/1818/1016/files/79705908377.pdf
- https://cdn.shopify.com/s/files/1/0429/6926/8383/files/pobuwomapipadegok.pdf
- https://cdn.shopify.com/s/files/1/0434/7448/5400/files/18956642705.pdf
- https://cdn.shopify.com/s/files/1/0428/1381/6995/files/namapadoxabawevuka.pdf
- https://cdn.shopify.com/s/files/1/0429/7805/0201/files/sesibudevodejazixefokop.pdf
- https://cdn.shopify.com/s/files/1/0427/4513/5260/files/linek.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_off0000805f.bin` `d86543002ef15c50db94b008dea9de320ae7201a1681ec4a174e6ef270f1ac8b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x805F	5232 bytes
`font_01_sfnt_off0000920e.bin` `3bc687bddca0ccf7887c74a23fa7f862685b04d81f977fe27fc8d36162622489`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x920E	10552 bytes

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