PDF malware analysis — malicious · 2358023595ef3a68

MALICIOUS

PDF

44.8 KB Created: 2020-08-29 12:48:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 43e6daa650c3913f647c700958078e7f SHA-1: e154f8a590272b7880af654ef576922777b9f299 SHA-256: 2358023595ef3a681cb7674917964e872fcdfbc81c51a6f0b48042dd74c162bd

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link

The PDF file contains a significant number of embedded links, identified as a link farm. One of these links, 'https://ttraff.com/wix?keyword=sex+2003+movie', is flagged as a malicious redirector. The presence of a link farm and a malicious redirector strongly suggests an attempt to lure users to malicious sites. No scripts were extracted, and the document body was heavily corrupted, limiting further analysis of the specific lure.

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=sex+2003+movie
- https://static.usrfiles.com/ugd/b8c837_4bf834038ac2425ab653fe22675e28e1.pdf
- https://static.usrfiles.com/ugd/b8c837_70edc4e54f334690afd758439b5e4fd3.pdf
- https://static.usrfiles.com/ugd/b8c837_1f407228017f454ab3c61bc67325e7e4.pdf
- https://static.usrfiles.com/ugd/b8c837_f454f3447d4a4f27ac240a43d40afa8a.pdf
- https://static.usrfiles.com/ugd/b8c837_52db695c299a4a8e895cf88f9f00855a.pdf
- https://static.usrfiles.com/ugd/b8c837_26ac7308063b45e9a56dacf65477816f.pdf
- https://cdn.shopify.com/s/files/1/0434/3506/5505/files/nogafajoseramefefegot.pdf
- https://cdn.shopify.com/s/files/1/0433/5907/6510/files/idodo_umeh_college_biology_textbook.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rinubigelezegir.pdf
- https://cdn.shopify.com/s/files/1/0432/5851/1522/files/59921168815.pdf
- https://static.usrfiles.com/ugd/b8c837_63fb32eb5a39498183efb7eba3383b7b.pdf
- https://static.usrfiles.com/ugd/b8c837_9f11a8352be5450d9965ac217684a88d.pdf
- https://static.usrfiles.com/ugd/b8c837_93d65f0bb7244ba693c62d5be9983a4c.pdf
- https://static.usrfiles.com/ugd/b8c837_44ee9e6a51354724945d84025c0f908b.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00004a2a.bin` `ae4c189cc3bccc44ddaa168420380c768ec8e5e4bf10f7f89597b792eb9c47cd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4A2A	8268 bytes
`font_01_sfnt_off00006582.bin` `2e814797ca0d6cbe9858989dde240186a42862872883005e270b4a8dda1fcfd4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6582	4588 bytes
`font_02_sfnt_off00007514.bin` `76e73c957c63c61ad1d19be48933d9446ffba155a2e88a7cc3f934f957354284`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7514	10404 bytes
`font_03_sfnt_off00009860.bin` `1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9860	4324 bytes

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