PDF malware analysis — malicious · dd9f88b1c4e7f017

MALICIOUS

PDF

45.2 KB Created: 2020-07-31 08:41:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5bdb7596b7c1bf0c550c963961809455 SHA-1: 36adebcb9978db6dba1aeaa84a911c83cb62fc59 SHA-256: dd9f88b1c4e7f017cbe96b93a9d1a2609d2eb33128f8ef444dd411a1b1c22fb1

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a link to a known malicious redirector, ttraff.com, disguised as a free download for 'Ayatul Kursi PDF'. The file also exhibits characteristics of a link farm, with numerous external links, many pointing to Shopify domains. The document body is heavily obfuscated, but the presence of the redirector link and the link farm structure strongly suggest a phishing or malicious redirection attempt.

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=ayatul+kursi+pdf+free+download
- http://files.mmdrentals.com/uploads/1/3/1/4/131406344/e65f93.pdf
- http://files.my-mediamatters.tech/uploads/1/3/1/3/131398547/2800a404.pdf
- http://files.anatomy-demystified.com/uploads/1/3/2/6/132696414/witeperagu.pdf
- http://files.scharencycles.com/uploads/1/3/0/7/130776118/ginukaxezunat.pdf
- http://files.scharencycles.com/uploads/1/3
- https://cdn.shopify.com/s/files/1/0429/2883/2675/files/11631755696.pdf
- https://cdn.shopify.com/s/files/1/0430/6042/8962/files/tukukonamenoxufebuwi.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/40814320730.pdf
- https://cdn.shopify.com/s/files/1/0430/9601/5002/files/rewupizotutuzijukinavazej.pdf
- https://cdn.shopify.com/s/files/1/0431/2776/7206/files/38602717128.pdf
- https://cdn.shopify.com/s/files/1/0429/4849/3475/files/tevolirugopaziwilovefonav.pdf
- https://cdn.shopify.com/s/files/1/0435/6331/9445/files/nugipenoxetasegibok.pdf
- https://cdn.shopify.com/s/files/1/0433/2588/2518/files/26432139604.pdf
- https://cdn.shopify.com/s/files/1/0432/0513/2445/files/zorafaxibadonepuloruwi.pdf
- https://cdn.shopify.com/s/files/1/0432/7863/1072/files/89574132315.pdf
- https://cdn.shopify.com/s/files/1/0435/1367/5928/files/54207907679.pdf
- https://cdn.shopify.com/s/files/1/0430/7006/2754/files/rugujupukabu.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_off00005dcd.bin` `7e13af5b9554fb69c9868d1b52d5d372f9ca118cb695d97679c90c52e89235ad`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5DCD	5164 bytes
`font_01_sfnt_off00006f84.bin` `81dc67dbecf2d6a3297602e21f4a283cf433e7d2c67f7779ea1799de43b5bc45`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6F84	9652 bytes
`font_02_sfnt_off000090bb.bin` `63d0de7879e594f641accc51e6e5bc3e0c2fed25fbb0977e1d2fd03d9170ae31`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x90BB	16448 bytes

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