PDF malware analysis — malicious · 2b23e0d380acb01d

MALICIOUS

PDF

38.6 KB Created: 2020-07-26 22:38:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 724504092204faf5f6729b550dae935c SHA-1: bcb07487c23ceeeeb76152599bc2c1954bb4a47e SHA-256: 2b23e0d380acb01db119c45cff7bccc803c0740fad46db11070892565497f309

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits a PDF link farm heuristic, with numerous links pointing to Shopify domains, suggesting an attempt to distribute malicious content or engage in SEO manipulation for malicious purposes. The document body, though heavily obfuscated, contains keywords related to urgency, reinforcing the lure. The primary attack vector appears to be directing users to malicious infrastructure via embedded links.

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.
Urgency / deadline lure low SE_URGENCY_LURE

Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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/pify?keyword=deep+fitted+bed+sheets+uk
- http://files.beautiful-britain.com/uploads/1/3/1/6/131606118/7f65a6a944.pdf
- http://files.sgpropertycity.com/uploads/1/3/0/9/130968960/a5d5d9210f3cec.pdf
- http://files.lonsdale-estate.co.uk/uploads/1/3/1/4/131437770/7476893.pdf
- https://cdn.shopify.com/s/files/1/0437/0700/7127/files/wowamisiwuw.pdf
- https://cdn.shopify.com/s/files/1/0434/5724/9430/files/lonab.pdf
- https://cdn.shopify.com/s/files/1/0430/3526/3130/files/82639743305.pdf
- https://cdn.shopify.com/s/files/1/0430/2353/2195/files/pajixu.pdf
- https://cdn.shopify.com/s/files/1/0431/3314/1149/files/danuwiguderodojobup.pdf
- https://cdn.shopify.com/s/files/1/0431/9654/7230/files/tatugemovapod.pdf
- https://cdn.shopify.com/s/files/1/0434/6055/9013/files/fesalanovataz.pdf
- https://cdn.shopify.com/s/files/1/0436/8701/8649/files/zogajabubezadexulo.pdf
- https://cdn.shopify.com/s/files/1/0429/3617/2710/files/kizifigawukanekizizeku.pdf
- https://cdn.shopify.com/s/files/1/0437/3191/0821/files/31071156316.pdf
- https://cdn.shopify.com/s/files/1/0428/4101/4438/files/gaxop.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://cdn.shopify.com/s/

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005b21.bin` `c7e8edb8bf6593036f59acd98ec31dc0570d9b7a4caa8ba93de29362e6dd646a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5B21	4660 bytes
`font_01_sfnt_off00006b0a.bin` `013b16b20a05e10e2ce5e668cbaa40585598cbba998bf798f976a3e661356847`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6B0A	10064 bytes

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