PDF malware analysis — malicious · 96d70e0ff261e0a5

MALICIOUS

PDF

62.4 KB Created: 2020-08-29 05:41:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 61ee387e8a5e9e18fa3a34992082dae4 SHA-1: fd33a697a2ed07440adde6b22c123bf9738ce923 SHA-256: 96d70e0ff261e0a56521ad0e816d48437252a5c66021fbbd5c1a0ed56ea8a3ca

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL, suggesting it's the primary lure. The file also exhibits characteristics of a link farm, with numerous embedded URLs, many pointing to 'static.usrfiles.com'. The primary malicious URL is 'https://ttraff.com/wix?keyword=lightning+rod+stardew+valley'.

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/wix?keyword=lightning+rod+stardew+valley
- https://static.usrfiles.com/ugd/b8c837_8766446a74dd4406a44874d7c1faf0f0.pdf
- https://static.usrfiles.com/ugd/b8c837_680e05bdc0c94673a999faa07cd065ff.pdf
- https://static.usrfiles.com/ugd/b8c837_58ceaf9a40ba4b67b8b7249bd4a3d290.pdf
- https://static.usrfiles.com/ugd/b8c837_290d54144b174b43aeab491724715e4e.pdf
- https://static.usrfiles.com/ugd/b8c837_d02565b90b3543549f637965b7eae96a.pdf
- https://static.usrfiles.com/ugd/b8c837_41ffc76705b449a68b205ae302f29177.pdf
- https://static.usrfiles.com/ugd/b8c837_fc27ce32656a45dab40b55f2f0df6456.pdf
- https://static.usrfiles.com/ugd/b8c837_bc0c4db397c340528d5172c59936b4ea.pdf
- https://cdn.shopify.com/s/files/1/0431/6214/0840/files/5663035887.pdf
- https://cdn.shopify.com/s/files/1/0433/9603/8812/files/2016_honda_accord_owners_manual.pdf
- https://cdn.shopify.com/s/files/1/0437/6163/1389/files/fubenunuwonon.pdf
- https://cdn.shopify.com/s/files/1/0427/8029/5334/files/7893639795.pdf
- https://cdn.shopify.com/s/files/1/0437/4321/5767/files/wepubaxikexa.pdf
- https://cdn.shopify.com/s/files/1/0428/0070/9791/files/princess_diaries_book_4.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://static.usrfiles.com/ugd/b8c837_41ffc76705b449a68b205ae302f

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000a929.bin` `3e6023ecc0f0d73e54ef4b176453a2cc60fbf70f734afdd42c295f2408405ba6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA929	5072 bytes
`font_01_sfnt_off0000ba78.bin` `453a53fc87dd095055a27187694a21701ee1b4db2ce9370d5deba22cb2258722`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBA78	10500 bytes
`font_02_sfnt_off0000de5c.bin` `b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDE5C	4324 bytes

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