PDF malware analysis — malicious · 89c0f628e94685cc

MALICIOUS

PDF

58.2 KB Created: 2020-07-20 04:42:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 3cf58c61b3094cb7117270ac846b6042 SHA-1: 0f6d52bdbb43339d52feac4b696010d39a4c66a1 SHA-256: 89c0f628e94685cca0fcf8642c3e326c78e4bb47cf4e2cf7d41b49b34f3a7fa4

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, with one pointing to a known malicious redirector. The heuristic firings indicate this is a link farm designed to direct users to malicious infrastructure. The primary IOC is the redirector URL, which is likely the initial point of contact for a phishing or malware distribution campaign.

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/wb?keyword=sources%20of%20funding%20for%20ngos%20pdf
- http://files.patrickhanks.com/uploads/1/3/2/3/132303316/d4ba483.pdf
- http://files.rkrally.com/uploads/1/3/1/8/131856539/1414960.pdf
- http://files.writeforyou.me/uploads/1/3/2/6/132682040/85cd29df77836.pdf
- https://boxuxabu.files.wordpres
- https://cdn.shopify.com/s/files/1/0433/8617/5651/files/58215824857.pdf
- https://cdn.shopify.com/s/files/1/0432/5759/4011/files/32795914697.pdf
- https://cdn.shopify.com/s/files/1/0434/5049/9222/files/39076974844.pdf
- https://cdn.shopify.com/s/files/1/0431/7783/6702/files/bujomupiwizer.pdf
- https://kururokefali.files.wordpress.com/2020/07/21087326125.pdf
- https://boxuxabu.files.wordpress.com/2020/06/37641946501.pdf
- https://tokatoxosi.files.wordpress.com/2020/06/87048473563.pdf
- https://kufakim.files.wordpress.com/2020/06/tuxabonaramolaronoworulef.pdf
- https://jezovuri.files.wordpress.com/2020/06/relajowavogejaku.pdf
- https://cdn.shopify.com/s/files/1/0433/8260/3927/files/guzewasumonufemijuxadiz.pdf
- https://cdn.shopify.com/s/files/1/0433/7372/3800/files/65878633561.pdf
- https://cdn.shopify.com/s/files/1/0432/2829/9427/files/pomejapatoga.pdf
- https://cdn.shopify.com/s/files/1/0428/2476/1507/files/535035237.pdf
- https://cdn.shopify.com/s/files/1/0428/0628/0355/files/37491926574.pdf
- https://cdn.shopify.com/s/files/1/0433/6749/7880/files/gosoroxosatop.pdf
- https://cdn.shopify.com/s/files/1/0431/1806/7876/files/144242199.pdf
- https://cdn.shopify.com/s/files/1/0430/8615/1833/files/65556764403.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_off0000a766.bin` `94c37aa9f1ca5d68833ed15c23c8fd6cc43ebae3cfd25b95290385c1f1813301`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA766	4984 bytes
`font_01_sfnt_off0000b858.bin` `51ccffb4c56cc57d6c838058c6de86e859761fbd5d20a88ab5f445f28a89883b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB858	10276 bytes

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