PDF malware analysis — malicious · b3e5473459fa7d2a

MALICIOUS

PDF

39.7 KB Created: 2020-07-31 17:53:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4020eaa46036cd88a253ff831bcc23a8 SHA-1: 2d186bf8c2a7fdc4840dc52af8ec71ce93e3a29e SHA-256: b3e5473459fa7d2ad330870f66758ece3ec5bdec0c948bd75ae3f7e7fa932e2f

120 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file contains a critical heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating it directs users to a known malicious URL (ttraff.ru). Additionally, the PDF_SEO_LINK_FARM heuristic indicates a large number of embedded links, many hosted on cdn.shopify.com, suggesting a link farm or SEO poisoning tactic. The primary malicious URL is https://ttraff.ru/pify?keyword=d%2526+d+3.+5+draconomicon+pdf, which is likely used to deliver a secondary payload or redirect to a phishing page. No scripts were extracted from this sample.

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.ru/pify?keyword=d%2526+d+3.+5+draconomicon+pdf
- http://files.elevatedalignment.net/uploads/1/3/0/7/130739069/4489904.pdf
- http://files.bscottart.com/uploads/1/3/1/4/131405940/c25497213205af.pdf
- http://files.hsc3knives.com/uploads/1/3/0/9/130969243/a00465f049b.pdf
- https://cdn.shopify.com/s/files/1/0427/5650/5756/files/titejugewoxute.pdf
- https://cdn.shopify.com/s/files/1/0433/4478/9669/files/64836524310.pdf
- https://cdn.shopify.com/s/files/1/0433/9875/8567/files/juxafasozomelavunevu.pdf
- https://cdn.shopify.com/s/files/1/0432/9681/7312/files/madexanegobux.pdf
- https://cdn.shopify.com/s/files/1/0433/8463/5544/files/11495220471.pdf
- https://cdn.shopify.com/s/files/1/0429/2778/4099/files/kokejiwexenomobofu.pdf
- https://cdn.shopify.com/s/files/1/0434/6229/5714/files/zuvenupixi.pdf
- https://cdn.shopify.com/s/files/1/0427/8992/9116/files/53031804738.pdf
- https://cdn.shopify.com/s/files/1/0432/6768/6558/files/81261983987.pdf
- https://cdn.shopify.com/s/files/1/0433/6461/4303/files/77130585935.pdf
- https://cdn.shopify.com/s/files/1/0431/5552/1700/files/70594938096.pdf
- https://cdn.shopify.com/s/files/1/0438/7697/4747/files/75667848266.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_off00004e44.bin` `f0ace50c04c300a3ea440f7240fedb38355c625ba7806325947e09e13a9d6f85`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4E44	4988 bytes
`font_01_sfnt_off00005f77.bin` `d46272a35c141788e45a942f60d3ac75eba256168db5716376ff56f0f84bb3df`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5F77	4156 bytes
`font_02_sfnt_off00006da5.bin` `1f556cd797f1fece6f76944a75101032cf12a9a5040672ccf2503f6a7f22fd1b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6DA5	10676 bytes

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