PDF malware analysis — malicious · fab436e5f0fab166

MALICIOUS

PDF

41.2 KB Created: 2020-08-30 10:38:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 86c46435bb0e81f6f12420cc35749366 SHA-1: 8c962dc2f3571c060783f4dbbf4e05b3235ce067 SHA-256: fab436e5f0fab166c29912ac55f9096af10279c37ca50188924258f1c715c3b8

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains multiple embedded links, with one heuristic specifically identifying a malicious redirector link to 'ttraff.com'. Another heuristic indicates a large number of external PDF links, suggesting a link farm. The document body, though heavily obfuscated, contains the same URL as the malicious redirector, reinforcing the intent to direct users to potentially harmful content. No scripts were extracted from this sample.

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=fruits+and+vegetables+english+worksh
- https://static.usrfiles.com/ugd/63022f_62636d63d74e4ea99e5555e48b6eecd6.pdf
- https://static.usrfiles.com/ugd/b8c837_98b8e68f9a124837b2e32dd7f6625552.pdf
- https://static.usrfiles.com/ugd/ca32a8_0188949e9e5746588ca413cf37ba3319.pdf
- https://static.usrfiles.com/ugd/b8c837_163e8874deb34935ad4f2c67a3d5db7d.pdf
- https://cdn.shopify.com/s/files/1/0454/9325/6344/files/david_goggins_can_t_hurt_me.pdf
- https://cdn.shopify.com/s/files/1/0428/8030/3267/files/rubujenemekapafiv.pdf
- https://cdn.shopify.com/s/files/1/0431/8982/9800/files/brunelleschi_s_dome_ross_king.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wajafaliwufenosikem.pdf
- https://cdn.shopify.com/s/files/1/0433/3341/9166/files/30993835232.pdf
- https://static.usrfiles.com/ugd/912de2_e43617c5be04461d917a832f49ddbaac.pdf
- https://static.usrfiles.com/ugd/d5cf39_1652fd49bf374369aa51ce7166602f96.pdf
- https://static.usrfiles.com/ugd/221f3a_f78a2437a61643f79183b25fee84bdf6.pdf
- https://static.usrfiles.com/ugd/b8c837_1c1a72f478274a3a9d3b3b354938a919.pdf
- https://static.usrfiles.com/ugd/b8c837_7f04cd1d5bf24fbf826107b5be1cdce4.pdf
- https://static.usrfiles.com/ugd/217d68_a0fe9af15e5743cdbec58422bb8bd609.pdf
- https://static.usrfiles.com/ugd/5ecadc_0f2f52766e3143cdb1bd3edcd58bd548.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/5ecadc_0f2f52766e3143cdb1bd3edcd58b

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006219.bin` `51c10cbbcd6f7795e60df9bc150e227fb26d1bbddc9a729eef889e256b51dc88`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6219	5396 bytes
`font_01_sfnt_off0000747f.bin` `08aceaff9480f6e5b2fecb070bdb9cc30d1b86c3156a01ddf8ca66d820bb3aac`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x747F	10576 bytes

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