PDF malware analysis — malicious · bc4bad37a94691c9

MALICIOUS

PDF

42.2 KB Created: 2020-08-08 09:04:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: ebf29e1ce19fbf69b757e43ee3568798 SHA-1: 9f079ff5aa76069257655149493d4583dc571268 SHA-256: bc4bad37a94691c9764b9063ed00a8c182367438b75265db22448359bc3ed44c

162 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a mass of external links, many pointing to shopify.com domains, but one critical link redirects to a known malicious domain (ttraff.cc). The document body also contains text that appears to be a lure, instructing the user to copy or paste clipboard content into a shell, suggesting a social engineering or execution-based attack. The presence of a malicious redirector link and the link farm indicates a likely attempt to distribute malware or conduct phishing.

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.
Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE

Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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=advanced+java+concepts+with+examples+pdf
- http://files.barrowbunnies.com/uploads/1/3/2/6/132695280/be2227.pdf
- http://files.genprice.shop/uploads/1/3/1/4/131453226/723370.pdf
- http://files.laraandsons.net/uploads/1/3/0/9/130969356/pozumizaken.pdf
- https://cdn.shopify.com/s/files/1/0429/6481/1927/files/8055514937.pdf
- https://cdn.shopify.com/s/files/1/0429/0376/5158/files/25233343498.pdf
- https://cdn.shopify.com/s/files/1/0428/4927/1975/files/96306286752.pdf
- https://cdn.shopify.com/s/files/1/0432/5625/0525/files/woketunuwunavas.pdf
- https://cdn.shopify.com/s/files/1/0428/6621/3031/files/wosujonadojox.pdf
- https://cdn.shopify.com/s/files/1/0445/1729/4239/files/tuberous_sclerosis_treatment.pdf
- https://cdn.shopify.com/s/files/1/0428/7663/3247/files/neumonia_atipica_sintomas.pdf
- https://cdn.shopify.com/s/files/1/0427/7560/9510/files/36472776057.pdf
- https://cdn.shopify.com/s/files/1/0437/3712/0933/files/rijozoxezabavilas.pdf
- https://cdn.shopify.com/s/files/1/0431/7410/1149/files/bekasidofak.pdf
- https://cdn.shopify.com/s/files/1/0433/6346/7414/files/2356302319.pdf
- https://cdn.shopify.com/s/files/1/0430/2091/0746/files/89359845548.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_off00006413.bin` `5941843e2ea189cf15e4bc282215ce3d1b7d3b22f59cea2308a956f835b43e7b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6413	5584 bytes
`font_01_sfnt_off0000770d.bin` `b852a2338e08fcdadbccfd1d236985ea580c342682091d7ae6ddb8609795c125`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x770D	10672 bytes

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