PDF malware analysis — malicious · 9d5b2457906861b4

MALICIOUS

PDF

36.7 KB Created: 2020-08-22 22:07:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 61acdfe12b0ac465b665dc4d7baa1d0d SHA-1: cd84c7b02a13c048cf47173860460861b065be9b SHA-256: 9d5b2457906861b41d89c6a2259c32f643feb29d03dd61ca8e7952d2da1b0b6b

120 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF document contains a link disguised as 'free b boying tutorials' that redirects to malicious infrastructure via ttraff.com. This indicates a social engineering lure designed to trick users into visiting a potentially harmful site. The document also features a large number of external PDF links, many hosted on Shopify, suggesting a link farm or SEO poisoning attempt to distribute malicious content. No scripts were extracted, but the primary attack vector appears to be the malicious redirector.

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=free++b+boying+tutorials
- http://zoxafis.valleybasegear.com/uploads/1/3/1/1/131163664/1962729.pdf
- http://files.heritageecc.com.au/uploads/1/3/0/7/130775432/b7a91b287662043.pdf
- http://files.afrhdevelopment.com/uploads/1/3/1/4/131482823/b4671a9e8a.pdf
- http://files.thebetterbrasspipe.com/uploads/1/3/2/7/132740218/daf3e1d8396c143.pdf
- http://files.ishairimmer.com/uploads/1/3/0/7/130776567/guruladilorizopese.pdf
- https://cdn.shopify.com/s/files/1/0435/6138/6147/files/79881809400.pdf
- https://cdn.shopify.com/s/files/1/0433/6995/5486/files/34357340476.pdf
- https://cdn.shopify.com/s/files/1/0431/7790/2241/files/67049149015.pdf
- https://cdn.shopify.com/s/files/1/0434/7248/6566/files/wilajewenutazun.pdf
- https://cdn.shopify.com/s/files/1/0448/6434/0130/files/brooklyn_99_season_1_torrent.pdf
- https://cdn.shopify.com/s/files/1/0430/5541/5445/files/27490293661.pdf
- https://cdn.shopify.com/s/files/1/0431/8245/7000/files/79604571712.pdf
- https://cdn.shopify.com/s/files/1/0433/2562/0374/files/adjective_word_order_exercises_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0433/4754/2165/files/wireless_bluetooth_earbuds_for_android_phone.pdf
- https://cdn.shopify.com/s/files/1/0458/2421/3155/files/22056746739.pdf
- https://cdn.shopify.com/s/files/1/0432/3196/9438/files/coordinate_grid_printable.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_off00005266.bin` `de33fb2b838228ec719965263f6f7ff8f66231f0e87679c59a20a474bef85800`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5266	5048 bytes
`font_01_sfnt_off000063aa.bin` `c012abff756284289ede96a4ee5eb25028428b7a3c85271aaad8d74f99b6a8b2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x63AA	10104 bytes

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