PDF malware analysis — malicious · aee4f2307eb19fa4

MALICIOUS

PDF

45.7 KB Created: 2020-08-10 05:19:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: ac320ae9150add3eb7e47d508f1a70ac SHA-1: 0613b01af3983c9d56c29fce2a6d379473ad149e SHA-256: aee4f2307eb19fa4883241186564a0df7b731980796534e8f8a8d6df4116e778

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to `https://ttraff.cc/pify?keyword=mapa+mundi+en+blanco+pdf`. This URL is embedded within the document body, disguised as a link to a blank world map PDF. The PDF also exhibits characteristics of a link farm, with numerous external links, many hosted on `cdn.shopify.com`. The ML classifier strongly flagged this PDF as malicious. The primary attack vector appears to be social engineering, luring the user to click the malicious link.

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=mapa+mundi+en+blanco+pdf
- http://files.jfubaysidedevelopments.com/uploads/1/3/2/6/132681336/wibibilopalativu.pdf
- http://redanogu.juliehortonphoto.com/uploads/1/3/2/7/132710797/3aa0df9174.pdf
- http://files.forahumanfuture.org/uploads/1/3/0/8/130814208/dijalir-burikixupewiba.pdf
- https://cdn.shopify.com/s/files/1/0440/5189/0341/files/22833648155.pdf
- https://cdn.shopify.com/s/files/1/0436/6503/1321/files/mumenomoxose.pdf
- https://cdn.shopify.com/s/files/1/0440/8508/4310/files/28917651513.pdf
- https://cdn.shopify.com/s/files/1/0431/8406/2622/files/73498971129.pdf
- https://cdn.shopify.com/s/files/1/0436/9501/4056/files/rabonoluvaxedisefibove.pdf
- https://cdn.shopify.com/s/files/1/0429/8535/7463/files/jugusurofupimuxuxe.pdf
- https://cdn.shopify.com/s/files/1/0431/6240/2967/files/sogofumoboki.pdf
- https://cdn.shopify.com/s/files/1/0430/9159/1317/files/sakedara.pdf
- https://cdn.shopify.com/s/files/1/0431/5981/4306/files/nikitorovaseripomuxetopo.pdf
- https://cdn.shopify.com/s/files/1/0434/5734/7741/files/rewusadijere.pdf
- https://cdn.shopify.com/s/files/1/0439/7072/3998/files/kebogonenotuxekanunelej.pdf
- https://cdn.shopify.com/s/files/1/0438/4007/7981/files/craft_inc_business_planner.pdf
- https://cdn.shopify.com/s/files/1/0431/4903/3640/files/nrsv_bible.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_off00006f40.bin` `75b536709291e41917abf0ab2c4cff8029a778e690bbaef8c4229b8e2badd6e1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6F40	5172 bytes
`font_01_sfnt_off000080d3.bin` `1a0a60aa9051bf8fa9d1ab65bd262ebedaf37770a4d93233e2b01409f0615c0b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x80D3	12424 bytes

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