PDF malware analysis — malicious · dcb095dcb8db167d

MALICIOUS

PDF

56.5 KB Created: 2020-07-30 22:49:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7048996a34aa10f0b87152a75d5688f8 SHA-1: 9599c168eab6f782f9ae54ad6bce399435a85f89 SHA-256: dcb095dcb8db167dba231c9751c00e6423ce2acb2cd1be962f65dee99111df92

120 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file contains a large number of embedded links, with one heuristic specifically flagging it as a PDF link farm. The primary redirector URL, 'https://ttraff.com/pify?keyword=barbarisme+exercice+pdf', is identified as malicious. While the document body contains garbled text, the presence of numerous external links strongly suggests a malicious intent, likely to lure users to malicious websites for phishing or malware downloads.

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/pify?keyword=barbarisme+exercice+pdf
- http://files.everylifelives.com/uploads/1/3/1/4/131438018/9353207.pdf
- http://files.marriedbythebeard.com/uploads/1/3/0/7/130740221/biwibokifejodivat.pdf
- http://files.glassjarsandbottles.com/uploads/1/3/1/4/131437107/195a0.pdf
- http://files.tplsongwriting.org/uploads/1/3/0/8/130813301/xoberuwibexikavir.pdf
- https://cdn.shopify.com/s/files/1/0433/6094/4286/files/jujojenoxesigijamubad.pdf
- https://cdn.shopify.com/s/files/1/0432/6457/3593/files/8230492958.pdf
- https://cdn.shopify.com/s/files/1/0434/7107/7542/files/12845760407.pdf
- https://cdn.shopify.com/s/files/1/0435/9671/0047/files/28453006233.pdf
- https://cdn.shopify.com/s/files/1/0433/9574/3907/files/pezuratovedumuganom.pdf
- https://cdn.shopify.com/s/files/1/0439/2927/2488/files/noxenewejupim.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bafewemuwidizisaj.pdf
- https://cdn.shopify.com/s/files/1/0431/8072/0294/files/tezenujawu.pdf
- https://cdn.shopify.com/s/files/1/0429/2739/0887/files/jawexijelenado.pdf
- https://cdn.shopify.com/s/files/1/0438/4597/6221/files/jusogolajatedilub.pdf
- https://cdn.shopify.com/s/files/1/0429/5933/9674/files/guwikefomuzi.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/70745323757.pdf
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/87176212915.pdf
- https://cdn.shopify.com/s/files/1/0432/1217/7572/files/31773564672.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_off00009af6.bin` `749e0fda5c5812e2db459607c5bf8bae726366ed5ef056dc37511967283c7932`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9AF6	5016 bytes
`font_01_sfnt_off0000abfc.bin` `6749c560018262900805db274bf6a17b05260bc12922bd8d0cf5125067f5539d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xABFC	12516 bytes

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