PDF malware analysis — malicious · edf52bb30198f144

MALICIOUS

PDF

45.2 KB Created: 2020-09-12 01:30:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 11f9e8832b2d08fc228e4983f2c074a9 SHA-1: 05d362f78cbed64711c77bb56558ade5ff36ba33 SHA-256: edf52bb30198f1443e22e2fbee192aa9fd71b1c4bbb7778d43c5f88a35d23149

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Phishing: Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a critical heuristic indicating it links to known malicious redirector infrastructure. It also exhibits characteristics of a PDF link farm, with numerous embedded URLs. The presence of a 'download button' heuristic further suggests a social engineering lure. The primary malicious URL identified is https://ttraff.me/wix?keyword=modern+bus+game+simulator+apk, which is likely used to redirect the user to a malicious site.

Heuristics 4

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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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.me/wix?keyword=modern+bus+game+simulator+apk
- https://static.usrfiles.com/ugd/94e5ef_e09d395ef19143d69f20f5e75e1cb726.pdf
- https://static.usrfiles.com/ugd/40b9e6_a149cbee58ce439990f49876c3e7e613.pdf
- https://static.usrfiles.com/ugd/46a5ae_3afa4c5627f3405588a489171a784e2e.pdf
- https://static.usrfiles.com/ugd/76156b_ea5dcdec23044313b2a794f554485934.pdf
- https://static.usrfiles.com/ugd/b8c837_23aa52622ae04cd6862ec580406df94f.pdf
- https://static.usrfiles.com/ugd/02631b_bae387cf1115473591b290eb9f16f20f.pdf
- https://static.usrfiles.com/ugd/4f270c_a2282c60a0a745b58b79c58aed4bbd27.pdf
- https://static.usrfiles.com/ugd/2b98a3_e61b44201c664bae87ced8df965eab12.pdf
- https://static.usrfiles.com/ugd/2e79a6_4470aa66f05649a3935f77623f90d61d.pdf
- https://static.usrfiles.com/ugd/bd5c68_1e33523adcf54acba3d3c56404bca3b3.pdf
- https://static.usrfiles.com/ugd/086daf_81a9ac87903d4981ac1aa8d676f89ac1.pdf
- https://static.usrfiles.com/ugd/5ea4d5_ebf602a57f5f435d8ffa85b8c176b179.pdf
- https://static.usrfiles.com/ugd/37321e_251522cf78434f248c80603bfab50af7.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_off0000627e.bin` `5f51531f99892aff7b805982aeca3a33554dfe957d4a3f97c8352388a3b8c292`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x627E	5488 bytes
`font_01_sfnt_off00007512.bin` `fef963d48a88e6e36eedb0c28c9316381484bc6508a2b20769c530dd91bc8734`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7512	4128 bytes
`font_02_sfnt_off000083df.bin` `1802730308475904c096ee6a3f890a68472c720110b0359c1d6f5f5687e6cc1e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x83DF	10524 bytes

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