PDF malware analysis — malicious · b5845e39c97792bc

MALICIOUS

PDF

50.0 KB Created: 2020-09-01 04:08:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 0683d7ed954596b431f5a96b645c99c8 SHA-1: f7f65111d10508327ba1de1752a0c4e579af9e0b SHA-256: b5845e39c97792bc3c3fdec9ea73092cf908bd1c32342cd09b61c1d755a64f0b

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link pointing to ttraff.com, which is also present in the document body. The PDF also exhibits characteristics of a link farm, with numerous external links, many of which are benign Shopify URLs. The primary malicious URL is likely intended to lead the user to a phishing or scam page.

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=compensation+strategy+multiplication+worksheets
- https://cdn.shopify.com/s/files/1/0434/0216/6435/files/507412183.pdf
- https://cdn.shopify.com/s/files/1/0433/3728/5797/files/gisurixadigavafimerufowuw.pdf
- https://cdn.shopify.com/s/files/1/0433/6500/7509/files/xojagulo.pdf
- https://cdn.shopify.com/s/files/1/0431/1865/7697/files/gaxagomifemuwibadej.pdf
- https://cdn.shopify.com/s/files/1/0432/5313/7576/files/wrist_pain_exercises.pdf
- https://cdn.shopify.com/s/files/1/0470/9636/5214/files/12031647124.pdf
- https://cdn.shopify.com/s/files/1/0449/9108/6750/files/vuvumuletoxapamepediwibew.pdf
- https://static.usrfiles.com/ugd/eb6612_11fe796700884763842b33790ff849f0.pdf
- https://static.usrfiles.com/ugd/b7ab08_d46125f32538427abff1948ba2c0645b.pdf
- https://static.usrfiles.com/ugd/b8c837_18669815a9c24adca17dfa537faffc0d.pdf
- https://static.usrfiles.com/ugd/06497e_026aa7d6b7c24707807662c4561e70fe.pdf
- https://static.usrfiles.com/ugd/89363e_b15c0292c02b472a9a7ad135edaa4d24.pdf
- https://static.usrfiles.com/ugd/ea2f88_c19b8fe4e6a8426aa048fe477f14fef7.pdf
- https://static.usrfiles.com/ugd/b8c837_88cab1e966274f4aa27a3ebed96c5585.pdf
- https://static.usrfiles.com/ugd/82e28d_d25964d72ae643fe87671c801a29c7a9.pdf
- https://static.usrfiles.com/ugd/4bdc6d_283c38042a334cadb6db840098a01ec7.pdf
- https://static.usrfiles.com/ugd/cf79db_491471b291234de2b6018bb3bb0447c3.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_off000083fc.bin` `853b3d733dac49984cbd28cb9638410442c4f28b8f9e4620fd129084bde37200`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x83FC	5508 bytes
`font_01_sfnt_off0000969a.bin` `6c3f198d0dcdca3d553e810ec9cf5c30055267f69b63faaa48f45df3dcf988af`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x969A	10500 bytes

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