PDF malware analysis — malicious · f4d32570d84c207e

MALICIOUS

PDF

68.4 KB Created: 2020-09-09 12:23:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 009b60643e99af603a4cb7c24dfd26f0 SHA-1: 53cafa4d065ea022a9809e6cb1237186e3a14c24 SHA-256: f4d32570d84c207eb09bbeb1fd0e1b8365b44524f4dbad7b7d3376ce01bab18a

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com', which is disguised as a game download. This indicates a phishing or malware delivery attempt. The document also contains a large number of embedded links to Shopify, likely part of an SEO spam campaign to increase visibility. No scripts were extracted from this sample.

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/wix?keyword=dark+avenger+3+game+apk
- https://cdn.shopify.com/s/files/1/0430/1458/6517/files/tozemowuwubijisibufabu.pdf
- https://cdn.shopify.com/s/files/1/0429/1638/0831/files/html_to_online_api_free.pdf
- https://cdn.shopify.com/s/files/1/0459/1216/2453/files/formal_application_letter_format.pdf
- https://cdn.shopify.com/s/files/1/0437/4816/3738/files/18871637790.pdf
- https://cdn.shopify.com/s/files/1/0429/9931/6639/files/49621519668.pdf
- https://cdn.shopify.com/s/files/1/0432/2135/2606/files/netflix_movies_720p.pdf
- https://cdn.shopify.com/s/files/1/0440/5559/3110/files/wimororasavi.pdf
- https://cdn.shopify.com/s/files/1/0434/0819/5735/files/52457603326.pdf
- https://cdn.shopify.com/s/files/1/0430/0147/9321/files/66987056834.pdf
- https://cdn.shopify.com/s/files/1/0433/4593/6534/files/isaimini_kathi_sandai_song.pdf
- https://cdn.shopify.com/s/files/1/0437/1460/9305/files/sudanurox.pdf
- https://cdn.shopify.com/s/files/1/0438/3529/3856/files/lumarosu.pdf
- https://cdn.shopify.com/s/files/1/0431/4228/3432/files/42904385001.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 5

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000068ec.bin` `0212407f099d7e3408275039b5aa82601348718b8c1278ea20e2a563e3a0936b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x68EC	21732 bytes
`font_01_sfnt_off0000ae4c.bin` `5e041e8e3344b5ca30b1b8d41eec4797d54d70c1ee90e049ef3a3961b1f3360c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAE4C	5216 bytes
`font_02_sfnt_off0000c009.bin` `0c97607a72743efcb4aca8df10bfbf9721ce4cf5743a9d4d9b20b603636f04b2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC009	2288 bytes
`font_03_sfnt_off0000c9d3.bin` `1908f481bc39ff5d24011e5796032a3d9981aa885454d63ff63f87f012713656`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC9D3	10548 bytes
`font_04_sfnt_off0000ee17.bin` `6aab6408c5bf4d4ebbd99e72158a14ed3c21a4a4a79c90e91780eda7193473b8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEE17	16276 bytes

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