PDF malware analysis — malicious · 761df65fe1bf6e2b

MALICIOUS

PDF

51.8 KB Created: 2020-08-21 03:21:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5ee7b4a30f9d358b62371e9d4d5d04c7 SHA-1: 67b8c002965720ed600c206541f10ce3980927cb SHA-256: 761df65fe1bf6e2bb93ce423cc22c62fe9a1de0810153561009f498143da04d0

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, a common technique for SEO poisoning or creating link farms. One of these links, 'https://ttraff.com/pify?keyword=hermes+sandal+size+guide', is identified as a malicious redirector. The document body itself is heavily obfuscated but contains references to the redirector URL. The presence of a malicious redirector and a mass of external links suggests the primary intent is to direct users to potentially harmful content, such as phishing pages or malware downloads.

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=hermes+sandal+size+guide
- http://files.camdencollaborative.com/uploads/1/3/1/3/131381706/1090467.pdf
- https://cdn.shopify.com/s/files/1/0440/7413/9813/files/38582162968.pdf
- https://cdn.shopify.com/s/files/1/0431/8475/0747/files/bivukawixu.pdf
- https://cdn.shopify.com/s/files/1/0463/4676/4450/files/semenefurotubewidasaguwil.pdf
- https://cdn.shopify.com/s/files/1/0431/0417/4233/files/jetesexedizawu.pdf
- https://cdn.shopify.com/s/files/1/0430/4021/1105/files/jefuworupaxefi.pdf
- https://cdn.shopify.com/s/files/1/0433/3495/9259/files/kunuguvomovef.pdf
- https://cdn.shopify.com/s/files/1/0435/8940/2783/files/heat_conduction_equation.pdf
- https://cdn.shopify.com/s/files/1/0432/7361/7576/files/cv_template_free_word_2019.pdf
- https://cdn.shopify.com/s/files/1/0432/6575/3241/files/33972313489.pdf
- https://cdn.shopify.com/s/files/1/0430/6049/4490/files/9974965756.pdf
- https://cdn.shopify.com/s/files/1/0433/0710/6462/files/kasalal.pdf
- https://cdn.shopify.com/s/files/1/0432/7414/1864/files/mortal_kombat_x.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006daa.bin` `ca1d9f2fdc1624d5b4dea9d31ca41f11c4e0dc0bfdece83e619cdd7699a8e759`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6DAA	5156 bytes
`font_01_sfnt_off00007f11.bin` `a36eee06fef6ce219692c4ec918276ac99413e4fd1e3666e4031624f9289d620`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7F11	1800 bytes
`font_02_sfnt_off0000879e.bin` `586c3ddc2183571d30b0d2f693387599c6f39b845a93e9bd7c80f97f91135fd0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x879E	10676 bytes
`font_03_sfnt_off0000ac54.bin` `069f5cdcb972b33999f3dc18a3e5b847fc2aa024b7c5b45b4734cedf253a8e5c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAC54	16376 bytes

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