PDF malware analysis — malicious · a34c69ee4c3f3248

MALICIOUS

PDF

80.0 KB Created: 2020-08-31 10:52:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: ffa7d8994ce23e8ed05cb16b030b4567 SHA-1: 87cf2403e0917546fdcde1ead160626509222c53 SHA-256: a34c69ee4c3f3248833580c956505a9fcc7937acf0ad31fdb30c98f6626d69e9

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a link that redirects to a known malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/wix?keyword=audi+tt+3.+2', suggesting a social engineering lure related to car sales. The PDF_SEO_LINK_FARM heuristic indicates the PDF is part of a larger link farm, likely for SEO manipulation or to distribute malicious content.

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.cc/wix?keyword=audi+tt+3.+2
- https://static.usrfil
- https://static.usrfiles.com/ugd/9421c8_8d533afd25fe46b199dd8f86b0b55295.pdf
- https://static.usrfiles.com/ugd/b8c837_28659cd01f1f4b75b434e49e3ee1b8be.pdf
- https://static.usrfiles.com/ugd/e2f7e1_3d0f843a4c2f49089c15d69f23ef3b28.pdf
- https://static.usrfiles.com/ugd/086daf_0eb2d77818a241108b92b2d2cb946090.pdf
- https://static.usrfiles.com/ugd/5de1df_92a006f7e6b54903905eeece50b685d1.pdf
- https://static.usrfiles.com/ugd/9c43ec_f5c70a9b6a264579bf49d4aaabe7246b.pdf
- https://static.usrfiles.com/ugd/b914b5_d0756a00dcd344cca85ad0272a7b9568.pdf
- https://cdn.shopify.com/s/files/1/0434/0695/0557/files/34710262222.pdf
- https://cdn.shopify.com/s/files/1/0429/0124/2022/files/69316225699.pdf
- https://cdn.shopify.com/s/files/1/0433/0097/8853/files/mirefedevelakuteme.pdf
- https://cdn.shopify.com/s/files/1/0433/3735/1323/files/brain_on_fire_movie_parents_guide.pdf
- https://cdn.shopify.com/s/files/1/0435/4686/9911/files/9335678259.pdf
- https://cdn.shopify.com/s/files/1/0437/7041/3207/files/duhs_admission_form_2019_mbbs.pdf
- https://cdn.shopify.com/s/files/1/0439/4047/9131/files/basic_calculus_grade_12_textbook_pdf.pdf
- https://cdn.shopify.com/s/files/1/0434/9339/2536/files/98027463310.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_off0000d8b3.bin` `f9c29b157214560cc62c4c4135847afeb999819e110815c58a5277d31f4ab2e6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD8B3	4620 bytes
`font_01_sfnt_off0000e88a.bin` `19371b5f31178de8ad0c5b799f213c5518b52b96438c519fa03f2d8aee81ac8a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE88A	17368 bytes
`font_02_sfnt_off00011d02.bin` `ae97ebdbf5cb6679ee3ae7f6f8963da9ec2437ada1f672a33085bc8cbe806833`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11D02	16060 bytes

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