PDF malware analysis — malicious · 2a63b0b6e6b194ab

MALICIOUS

PDF

40.1 KB Created: 2020-08-28 21:23:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 57581e4b334a520245f6de430ccabe8c SHA-1: e1773143b067cdceb33ed9a2a5a7189740aff1bd SHA-256: 2a63b0b6e6b194abfac9bfe0d169a8d2b1d8d698d95e0fac8425c5c8b9122a84

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/wix?keyword=ps3updat.pup+4.84+password'. This URL is presented within the document body, disguised as a password update for a PS3. The file also exhibits characteristics of a link farm, with numerous embedded URLs, many pointing to static.usrfiles.com. The primary malicious URL is the most critical IOC, as it likely serves as the entry point for further malicious activity.

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.ru/wix?keyword=ps3updat.pup+4.84+password
- https://static.usrfiles.com/ugd/b8c837_88832ff918c442568b08c5cada25cd28.pdf
- https://static.usrfiles.com/ugd/b8c837_0456f83b53964426a41325bac41d8f95.pdf
- https://static.usrfiles.com/ugd/b8c837_1d29f84383674b1c9f043a0dd805f1cf.pdf
- https://static.usrfiles.com/ugd/b8c837_57f863d9bab34c468be7b9f1bb901095.pdf
- https://static.usrfiles.com/ugd/b8c837_04eef45f742f4f87acb1d72b3f3c0026.pdf
- https://static.usrfiles.com/ugd/b8c837_d0fc3ebefc6d468abcf5a8a2e0acd464.pdf
- https://static.usrfiles.com/ugd/b8c837_4f5505025d5b4854ab95cd8b73e34d04.pdf
- https://static.usrfiles.com/ugd/b8c837_b82d6f5d1dbb47118c68a5ff1168ab42.pdf
- https://static.usrfiles.com/ugd/b8c837_712dbd5c204d4b4094da27ff0538d1a6.pdf
- https://static.usrfiles.com/ugd/b8c837_8ed5dcf84bea4e1887ed27bc043eac2f.pdf
- https://cdn.shopify.com/s/files/1/0434/7700/8550/files/indonesian_embassy_visa_application_form.pdf
- https://cdn.shopify.com/s/files/1/0427/5883/2294/files/92265847007.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/potiwabuvufepatene.pdf
- https://cdn.shopify.com/s/files/1/0429/3731/9590/files/vomonewiziwatimaz.pdf
- https://cdn.shopify.com/s/files/1/0428/2020/6758/files/46656554003.pdf
- https://cdn.shopify.com/s/files/1/0434/1104/6561/files/kuloparinara.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/35209966956.pdf
- https://cdn.shopify.com/s/files/1/0440/3704/6437/files/16447444189.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_off00005bf3.bin` `f51c7e0ea0982192aa2cec5cafb1b003c80d3fc73ca3eeada5307690c7babcf1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5BF3	5492 bytes
`font_01_sfnt_off00006ec5.bin` `6ff14c2690e3be30ecfdd665c1c6e845887e3fb98aa79f1cfcc35e513f9741be`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6EC5	10744 bytes

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