PDF malware analysis — malicious · e569352b12980a92

MALICIOUS

PDF

39.1 KB Created: 2020-08-13 14:46:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5ea14487d9180a967e9838cd9b913f1c SHA-1: 7e51c0578b3f243de8bdb284bcc393b66710356a SHA-256: e569352b12980a92046125771618dede6edf11131352532a590110fc3bd39200

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, with numerous embedded URLs. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.ru/wb?keyword=rosqueadeira%20manual%20ridgid'. Another heuristic detected a mass external PDF link farm, with many links pointing to shopify.com and other domains. The presence of these link farms suggests an attempt to lure users to malicious sites, likely for phishing or malware distribution.

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.ru/wb?keyword=rosqueadeira%20manual%20ridgid
- http://kunaf.poloprague.com/uploads/1/3/1/6/131606027/7e42beb73f63.pdf
- http://kugot.unitynhhistoricalsociety.org/uploads/1/3/0/8/130815026/2720260.pdf
- http://files.dbtdelaware.com/uploads/1/3/0/8/130814769/fefovidujufa_vaxujiwanika_vavukifukotuzu_kovadifulawi.pdf
- http://lavugad.scallowaymuseum.org/uploads/1/3/1/6/131606490/bawevirasiw_mujadezalen.pdf
- https://cdn.shopify.com/s/files/1/0434/6295/1077/files/71712030308.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tolipokegegami.pdf
- https://cdn.shopify.com/s/files/1/0429/0582/9532/files/66504985047.pdf
- https://cdn.shopify.com/s/files/1/0433/2224/5273/files/54907291357.pdf
- https://cdn.shopify.com/s/files/1/0430/1763/3949/files/pefateputavadixefo.pdf
- https://cdn.shopify.com/s/files/1/0430/9889/8592/files/galobap.pdf
- https://cdn.shopify.com/s/files/1/0435/2252/3288/files/zizedukovatusoliwupa.pdf
- https://cdn.shopify.com/s/files/1/0430/8172/8151/files/xirabivoruladolovuziniw.pdf
- https://cdn.shopify.com/s/files/1/0433/2794/6904/files/pifafuxunimebubuwev.pdf
- https://cdn.shopify.com/s/files/1/0435/2235/9447/files/billings_gazette_outspell.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/96056065099.pdf
- https://cdn.shopify.com/s/files/1/0431/2684/9700/files/bidikajawilefovure.pdf
- https://cdn.shopify.com/s/files/1/0430/9037/8903/files/54460841216.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_off000057a7.bin` `5303844bbf6cb0522221d3e64b813d97cb6f5a0dd208b85cb544373da6d97b81`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x57A7	5280 bytes
`font_01_sfnt_off0000697b.bin` `28ab12fe9e38b3085167b1bb9be0bb4cdcb29f081e0dafa5975a16905deadd85`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x697B	11856 bytes

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