PDF malware analysis — malicious · ec141f346f23ee84

MALICIOUS

PDF

49.6 KB Created: 2020-08-04 09:22:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 022d4c27537776504fe7823a4c7b68a2 SHA-1: cb857073a83e76372f8c6104c2e63105cf9515d7 SHA-256: ec141f346f23ee847315ffa29b5265267e44c4b40e06a91b76203bcfe01c19d8

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a mass external link farm, with one critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though partially corrupted, contains text suggesting a lure for a 'magazine design template pdf'. The primary malicious URL identified is https://ttraff.com/pify?keyword=magazine+design+template+pdf, which is likely used to redirect the user to further malicious content.

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/pify?keyword=magazine+design+template+pdf
- http://gumokesi.sherryssantas.com/uploads/1/3/1/4/131453133/4416453.pdf
- http://files.eelasor.com/uploads/1/3/1/3/131381540/xuguzamalavij_pakosawinodo_vuxow.pdf
- http://files.cococochran.com/uploads/1/3/2/6/132683173/gizotebujedavitokez.pdf
- http://files.krgriffiths.org/uploads/1/3/0/8/130874129/96dffd9.pdf
- https://cdn.shopify.com/s/files/1/0433/7798/3653/files/fawelosa.pdf
- https://cdn.shopify.com/s/files/1/0431/2553/8973/files/defobezirepitelepufe.pdf
- https://cdn.shopify.com/s/files/1/0430/4217/7181/files/mepis.pdf
- https://cdn.shopify.com/s/files/1/0429/6137/1290/files/23606352433.pdf
- https://cdn.shopify.com/s/files/1/0435/1465/8980/files/online_game_definition.pdf
- https://cdn.shopify.com/s/files/1/0431/5788/0996/files/cal_poly_campus_map.pdf
- https://cdn.shopify.com/s/files/1/0431/6859/6124/files/texojegot.pdf
- https://cdn.shopify.com/s/files/1/0435/0862/9663/files/heat_controller_inc.pdf
- https://cdn.shopify.com/s/files/1/0437/9148/3042/files/gary_moore_parisienne_walkways.pdf
- https://cdn.shopify.com/s/files/1/0430/1278/4277/files/tapurik.pdf
- https://cdn.shopify.com/s/files/1/0437/5419/3047/files/26540573719.pdf
- https://cdn.shopify.com/s/files/1/0433/4636/2527/files/dilaberukomolapagefuzodi.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_off00007195.bin` `0ad3b4abb5d34a059d5dfbeaf472b124ae24dba606926c13704f46d8495a017d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7195	5320 bytes
`font_01_sfnt_off000083b2.bin` `8770a9d16f6ec8ed1e04f7f31595c1fd3834ff76ff6f55291086ab87d6d749e8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x83B2	2268 bytes
`font_02_sfnt_off00008dc4.bin` `d0750c9371d76e8a2b17b25fcffba4161afd7b6d7b1d5b994f7939563b2beda6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8DC4	13484 bytes

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