PDF malware analysis — malicious · 3c67a3c1da0a6250

MALICIOUS

PDF

48.8 KB Created: 2020-07-17 03:32:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 8a66fc510589f6d2cd5d6778ec45714a SHA-1: 14efcf8d29df93a70986cad90e44f93b7e5b1228 SHA-256: 3c67a3c1da0a6250f89189e1a269602a2b7bbf0012dc8725415c1a3db03e859c

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, characteristic of a link farm. One of these links, https://ttraff.com/wb?keyword=sony%20hd%20avchd%20progressive%20handycam%20manual, points to a known malicious redirector. The document body is heavily obfuscated and does not provide clear user-facing content, but the presence of the malicious redirector strongly suggests a phishing or malicious redirection attempt.

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/wb?keyword=sony%20hd%20avchd%20progressive%20handycam%20manual
- http://files.eternal-acupuncture.com/uploads/1/3/0/7/130738852/8389562.pdf
- http://files.sangha-dancemovementyoga.org/uploads/1/3/0/7/130774979/f282b.pdf
- http://files.amesucc.org/uploads/1/3/1/0/131070309/munorerix.pdf
- https://cdn.shopify.com/s/files/1/0432/4907/4344/files/29354328853.pdf
- https://cdn.shopify.com/s/files/1/0433/5131/0488/files/13608731974.pdf
- https://cdn.shopify.com/s/files/1/0437/6713/6408/files/55669140061.pdf
- https://cdn.shopify.com/s/files/1/0431/5856/9128/files/judezijewogifi.pdf
- https://magamutasadu.files.wordpress.com/2020/07/5949378692.pdf
- https://dukidowa.files.wordpress.com/2020/06/64878613535.pdf
- https://xodomibat.files.wordpress.com/2020/06/82709424077.pdf
- https://cdn.shopify.com/s/files/1/0430/6285/3794/files/98628113662.pdf
- https://cdn.shopify.com/s/files/1/0428/9822/7353/files/vopuvaromupevurajuf.pdf
- https://cdn.shopify.com/s/files/1/0428/9419/6902/files/80154575775.pdf
- https://cdn.shopify.com/s/files/1/0434/1350/4150/files/13587150985.pdf
- https://cdn.shopify.com/s/files/1/0437/1644/4315/files/69955739976.pdf
- https://cdn.shopify.com/s/files/1/0432/7309/3288/files/93779048022.pdf
- https://cdn.shopify.com/s/files/1/0431/5653/7493/files/mujumelujiworeli.pdf
- https://cdn.shopify.com/s/files/1/0431/0827/0244/files/1046125191.pdf
- https://cdn.shopify.com/s/files/1/0431/2429/3796/files/95337800624.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/
- https://magamutasadu.files.wordpress.com/2020/07/5949378692

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00007ee8.bin` `077b1ca97d15c7a7d2f52de23e28109ab3eb0ce6ad94b6a14e31fb2bcc214892`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7EE8	5556 bytes
`font_01_sfnt_off00009198.bin` `0518151a2066339de3811880a85dda06d84576834f11aa745959a7edd205a0be`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9198	10816 bytes

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