PDF malware analysis — malicious · 448da6f1e73db36b

MALICIOUS

PDF

43.8 KB Created: 2020-09-06 22:46:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9b06b3cf857a6a0b7a783d4f554e5466 SHA-1: 9f1efbefcc6954477c794b149a1f8c894ebc0cdd SHA-256: 448da6f1e73db36b6801adfc6177faa1a54b025d9cb7fa0f1c8bf1406de6f94e

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a lure referencing a corporate annual report, designed to entice users to click on embedded links. One such link, 'https://ttraff.me/pify?keyword=laing+o%2527+rourke+corporation+limited+annual+report', points to a known malicious redirector. The document also contains a mass of external PDF links, many hosted on Shopify, likely for SEO manipulation or to obscure the malicious redirector. No scripts were extracted from this sample.

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.
Fake invoice / payment lure low SE_INVOICE_LURE

Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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.me/pify?keyword=laing+o%2527+rourke+corporation+limited+annual+report
- https://cdn.shopify.com/s/files/1/0430/8621/7365/files/38748365846.pdf
- https://cdn.shopify.com/s/files/1/0427/4031/8375/files/wokajadamo.pdf
- https://cdn.shopify.com/s/files/1/0434/5892/0610/files/bible_malayalam.pdf
- https://cdn.shopify.com/s/files/1/0464/1603/6008/files/26294044488.pdf
- https://cdn.shopify.com/s/files/1/0433/8896/0933/files/mixek.pdf
- https://cdn.shopify.com/s/files/1/0428/0595/2671/files/zujuliviximipinoz.pdf
- https://cdn.shopify.com/s/files/1/0429/6769/5511/files/uncle_murda_ft_young_ma.pdf
- https://cdn.shopify.com/s/files/1/0435/0771/2155/files/jurafuz.pdf
- https://cdn.shopify.com/s/files/1/0440/7279/6310/files/29029969848.pdf
- https://cdn.shopify.com/s/files/1/0434/6498/2693/files/tekizugizuxupenewub.pdf
- https://cdn.shopify.com/s/files/1/0431/0056/9751/files/boxuvesom.pdf
- https://static.usrfiles.com/ugd/0a052f_6c93dc17c32742568d7e85c736a02195.pdf
- https://static.usrfiles.com/ugd/b8c837_4afe074db90c414882ada8697861c3ba.pdf
- https://static.usrfiles.com/ugd/cafc24_0f56f1e8fcfe41a3807376ecffac52d8.pdf
- https://static.usrfiles.com/ugd/fb5067_5d4b357b83f14198bb2699bf8d4fb6ae.pdf
- https://static.usrfiles.com/ugd/b910ae_206e0e9866b84df2bb2d293c466d1efb.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_off00006c14.bin` `cd0713a821a54874377fcb35ed8f35b4359d92323d509d0967f92a7ddd4b55e2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6C14	5256 bytes
`font_01_sfnt_off00007df0.bin` `2ff9a9482acfff3f5caa95362d86883d0652df04c2c3d88701a80ec6cdfdafb4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7DF0	10536 bytes

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