PDF malware analysis — malicious · 220a4c0278ae277f

MALICIOUS

PDF

43.0 KB Created: 2020-09-01 13:02:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: accc45385955759cecd36e9d7892b08c SHA-1: cf611f8031e60d1894bd50b51ae9731e7dce117d SHA-256: 220a4c0278ae277fa3239b6c5a464709beb5991753a47de16dcfdadadf95d740

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.001 Malicious Link

The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/wix?keyword=cabela%2527+s+guidewear+advance+parka'. This URL is likely part of a phishing or scam campaign designed to trick users into clicking through to a malicious site. The document body, though heavily obfuscated, contains the same URL and a product name, suggesting a lure. The presence of numerous other PDF links also indicates a link farm, a common tactic for SEO poisoning or distributing malicious content.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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=cabela%2527+s+guidewear+advance+parka
- https://static.usrfiles.com/ugd/d01287_3d416ecfd61f408bb0a67b9a7086c39b.pdf
- https://static.usrfiles.com/ugd/67e251_f29a8afe880b4dab8cac67722be129ed.pdf
- https://static.usrfiles.com/ugd/b8c837_4b36690e44f14102b07a6aeeb259cabf.pdf
- https://static.usrfiles.com/ugd/b8c837_63e4e49511cc4012abeed03232ce7efb.pdf
- https://cdn.shopify.com/s/files/1/0432/6418/0390/files/marriage_affidavit_format.pdf
- https://static.usrfiles.com/ugd/b91566_7952cd7d89b04916bcf7b49823362b1d.pdf
- https://static.usrfiles.com/ugd/0dd040_c7d1b85b220047889c90c9d5d4c10c7a.pdf
- https://cdn.shopify.com/s/files/1/0432/9163/9966/files/82902371099.pdf
- https://cdn.shopify.com/s/files/1/0432/6116/5723/files/edible_straws.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61047377128.pdf
- https://cdn.shopify.com/s/files/1/0439/1770/5371/files/desem.pdf
- https://cdn.shopify.com/s/files/1/0430/6770/3457/files/bikram_singh_songs.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005bf3.bin` `d24276d144bdc71d7f0ea9a66247a30dc32f0632861c07f48fb79e825f0df66d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5BF3	5348 bytes
`font_01_sfnt_off00006e3e.bin` `a554b387c073721a14b5dc04d4170ac3f8bf62ef1d08140999de6c63ea257ca2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6E3E	10232 bytes
`font_02_sfnt_off0000913a.bin` `05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x913A	4324 bytes

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