PDF malware analysis — malicious · c18a3e106102c8ca

MALICIOUS

PDF

47.7 KB Created: 2020-08-05 10:16:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4a61e27340ea1fca19a1df1f6f7addea SHA-1: 184cce73066d8a02f76398acfd3beca36f9259d5 SHA-256: c18a3e106102c8ca8b9c1646f306709b7237c63149a342fb48500d4e3ce3fc0e

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains multiple embedded links, with one identified as a malicious redirector. The primary heuristic indicates a PDF link to known malicious redirector infrastructure, specifically pointing to 'ttraff.ru'. This suggests the document is designed to lure users to a malicious site, likely for further exploitation or phishing. No scripts were extracted, but the presence of numerous links, including the malicious redirector, strongly indicates a social engineering attack.

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=non+aqueous+titration+pdf
- http://files.robertomiatelloarchitetto.com/uploads/1/3/1/3/131379219/e098da.pdf
- http://files.paulsfranchiseleague.com/uploads/1/3/1/4/131438249/kabuvoxije_kuvorenuzixuw_raxejusub.pdf
- http://files.neuropsychologyforyou.com/uploads/1/3/0/8/130813650/01c7644d.pdf
- https://cdn.shopify.com/s/files/1/0430/0426/4602/files/91671274774.pdf
- https://cdn.shopify.com/s/files/1/0430/8706/9348/files/29461506595.pdf
- https://cdn.shopify.com/s/files/1/0430/8323/5489/files/vupuwebalor.pdf
- https://cdn.shopify.com/s/files/1/0440/7237/0326/files/dudedobezogoj.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/49726552648.pdf
- https://cdn.shopify.com/s/files/1/0438/0635/9714/files/zazuwipekavatorejuki.pdf
- https://cdn.shopify.com/s/files/1/0428/7997/5591/files/26465901095.pdf
- https://cdn.shopify.com/s/files/1/0431/0705/7825/files/54489159709.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/95610310087.pdf
- https://cdn.shopify.com/s/files/1/0427/8976/5279/files/tedop.pdf
- https://cdn.shopify.com/s/files/1/0437/3990/6197/files/2017_pontiac_grand_prix.pdf
- https://cdn.shopify.com/s/files/1/0429/3771/2803/files/66433300149.pdf
- https://cdn.shopify.com/s/files/1/0429/2050/9596/files/10341022820.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_off0000696a.bin` `6e843e9fc5161bae10fd0f8e3c68fd45c120ee3b44944b2383626b94e63d1b6b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x696A	5096 bytes
`font_01_sfnt_off00007acf.bin` `1b58dcf56edafdc78f82728bc94b4245cf3b0234e5a401600113dee9a6ba2583`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7ACF	9912 bytes
`font_02_sfnt_off00009cb5.bin` `dfdc6983d3c42b81f9741fa6cdceaab3e97c1fbda00e6274acf933e6ff911e94`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9CB5	16100 bytes

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