PDF malware analysis — malicious · 853147bd30616636

MALICIOUS

PDF

52.2 KB Created: 2020-08-06 16:44:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4f565c85b29b9a69c1e83635b3a5052e SHA-1: ba58ee18a7704fc60e73fd2f09cbda1538cc021c SHA-256: 853147bd30616636229c8726fee18bd560e8cc3659d84bce3c57fe289be6b23b

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF file contains a significant number of embedded links, with one pointing to a known malicious redirector (ttraff.com). The heuristic firings indicate that this is a PDF link farm, likely intended for SEO manipulation or to distribute malicious content. The document body itself is heavily obfuscated and contains the same URLs, reinforcing the malicious intent.

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=la+batarde+d+istanbul+pdf
- http://files.kaylaberghoff.com/uploads/1/3/1/3/131383921/lukuwi.pdf
- http://files.dgdesignsjewelryandsupply.com/uploads/1/3/0/9/130969545/bagofi_sirolu_wobaliwovuw.pdf
- http://files.blackstrait.com/uploads/1/3/1/8/131856173/zuvitikaja.pdf
- http://files.hopelutheranwarren.com/uploads/1/3/1/4/131482864/3547959.pdf
- http://files.dellavellaremodel.com/uploads/1/3/0/7/130740141/wugodiwubukesel.pdf
- https://cdn.shopify.com/s/files/1/0429/8542/2997/files/ruxoriwexofofunuwifukulu.pdf
- https://cdn.shopify.com/s/files/1/0431/9199/2480/files/woxitanexutijor.pdf
- https://cdn.shopify.com/s/files/1/0433/6192/7318/files/73033822894.pdf
- https://cdn.shopify.com/s/files/1/0432/6142/7876/files/nimalax.pdf
- https://cdn.shopify.com/s/files/1/0433/0071/6694/files/tasowakukarev.pdf
- https://cdn.shopify.com/s/files/1/0429/0831/9907/files/18884882252.pdf
- https://cdn.shopify.com/s/files/1/0431/0152/0029/files/2153435099.pdf
- https://cdn.shopify.com/s/files/1/0434/2356/3925/files/tuzus.pdf
- https://cdn.shopify.com/s/files/1/0433/7926/1590/files/togulipi.pdf
- https://cdn.shopify.com/s/files/1/0435/3871/0696/files/38335632323.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86372263330.pdf
- https://cdn.shopify.com/s/files/1/0432/4163/5997/files/39626905699.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_off00006e87.bin` `99a20fca3cc0e30654f1f97951c1874af85a28a09911124df7c4440028a69e7b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6E87	5116 bytes
`font_01_sfnt_off00007ff4.bin` `5563cf2307c35eeecb1f73a751418561d35a467028095fa5004c694d6d90d07c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7FF4	10568 bytes
`font_02_sfnt_off0000a394.bin` `3c4d59a3a1b1b26347646d0031f7eab554174e14eaf18ac85a8d909ad586df73`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA394	19504 bytes

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