PDF malware analysis — malicious · f5e74635f71af729

MALICIOUS

PDF

51.3 KB Created: 2020-07-30 07:08:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 3aca1dd32fd878b2ab60f48976394f5b SHA-1: 6393480f3f2350e4f2065f0eba754e438c58ea11 SHA-256: f5e74635f71af7298c05b8aa77652bcfbdbf28b5836d6a2f21ab6aab6bad0b8a

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains multiple heuristics indicating malicious intent, including a critical finding of a PDF redirector link pointing to ttraff.cc. Additionally, it features a PDF link farm, suggesting an attempt to manipulate search engine results or distribute content through numerous links. The presence of a 'download button' lure further supports the malicious nature of the document, aiming to trick users into clicking the malicious URL.

Heuristics 4

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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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/pify?keyword=free+convert+scanned+pdf+to+word+online
- http://files.jasehlee.com/uploads/1/3/1/4/131437376/kelamuj_vurikaxejo_mamewin.pdf
- http://files.southbaywatercolor.com/uploads/1/3/0/8/130813732/7693229.pdf
- http://files.hispanokcsj.org/uploads/1/3/1/8/131856277/goribajuneveremot.pdf
- https://cdn.shopify.com/s/files/1/0440/7014/2117/files/138702414.pdf
- https://cdn.shopify.com/s/files/1/0431/0564/8801/files/wapidoxuwixaromatep.pdf
- https://cdn.shopify.com/s/files/1/0431/8032/7076/files/42041591734.pdf
- https://cdn.shopify.com/s/files/1/0434/4568/2332/files/rilopimer.pdf
- https://cdn.shopify.com/s/files/1/0432/2410/5124/files/rilapapoku.pdf
- https://cdn.shopify.com/s/files/1/0431/3320/6690/files/77958311421.pdf
- https://cdn.shopify.com/s/files/1/0431/3173/2125/files/fejegujexira.pdf
- https://cdn.shopify.com/s/files/1/0436/1306/1277/files/daromiv.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fofigez.pdf
- https://cdn.shopify.com/s/files/1/0431/7341/3028/files/66457379012.pdf
- https://cdn.shopify.com/s/files/1/0427/7387/2807/files/47576231687.pdf
- https://cdn.shopify.com/s/files/1/0430/2969/2577/files/moseba.pdf
- https://cdn.shopify.com/s/files/1/0427/6797/4556/files/lobavapevubunu.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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00008afa.bin` `1ced87285884b0467543686d9ed8ab2907399e3338e3fde89596b19d230ed30a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8AFA	5044 bytes
`font_01_sfnt_off00009c3e.bin` `6ced5485b65087484eecd151c4d315b343ba49e0f510601c359086b45914c83b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9C3E	10248 bytes

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