PDF malware analysis — malicious · e61273f116c5de8e

MALICIOUS

PDF

46.7 KB Created: 2020-08-31 12:55:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5a10e9396d08026ab1d6c5d6507aa73f SHA-1: 03bc5d6422a1d1ce86eaaabb7dfcc99349ba1e79 SHA-256: e61273f116c5de8e50fc6417eca57777ec2aadd39fcf49a44764d77cba56f9e1

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links, many of which point to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL. This suggests a phishing or redirection attack, likely aiming to lead the user to malicious content. No scripts were extracted, limiting the analysis of direct execution or persistence mechanisms.

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=rehabilitated+military+or+nkvd+primacy
- https://cdn.shopify.com/s/files/1/0433/8935/4149/files/suffix_worksheets_for_3rd_grade.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/volobufepafolosovi.pdf
- https://cdn.shopify.com/s/files/1/0433/1415/1589/files/zenunatewolidazot.pdf
- https://cdn.shopify.com/s/files/1/0427/8052/4710/files/76770949859.pdf
- https://cdn.shopify.com/s/files/1/0435/6859/5112/files/vokomuxunoxepexoxifevat.pdf
- https://cdn.shopify.com/s/files/1/0432/6827/6384/files/530012809.pdf
- https://cdn.shopify.com/s/files/1/0434/9558/8005/files/34474240634.pdf
- https://cdn.shopify.com/s/files/1/0430/7006/2754/files/48160913608.pdf
- https://cdn.shopify.com/s/files/1/0427/9068/2783/files/building_information_modeling_a_strategic_implementation_guide.pdf
- https://static.usrfiles.com/ugd/bfbc46_c71137124f2240c0a41875b60866d856.pdf
- https://static.usrfiles.com/ugd/865d50_89744cca5e304f628a8d197bb1813397.pdf
- https://static.usrfiles.com/ugd/850f07_75f53c9584614596a17e189bbb24a5b0.pdf
- https://static.usrfiles.com/ugd/ee9d3f_32d5c740780d49489e98bde2be4cad06.pdf
- https://static.usrfiles.com/ugd/b8c837_4ecdb13adb7c4b1888c2f9531758d173.pdf
- https://static.usrfiles.com/ugd/cdb50c_e9dfd6f416794f6cae8884e9c7d659bc.pdf
- https://static.usrfiles.com/ugd/e32576_461dadc637b545d496710c0596926ebc.pdf
- https://static.usrfiles.com/ugd/856cea_69ae55109e4145aaa3f5a9e173d19d12.pdf
- https://static.usrfiles.com/ugd/67f5f7_f3686bf8ee7349c6a3b233f0861cd027.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_off000078a7.bin` `d1f84ba9a6e641d8061e2a2fa43c4e140f20860a97c8e14fe315470f4fce0dfb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x78A7	5508 bytes
`font_01_sfnt_off00008b40.bin` `2e17fb1f754f6482910e872b4227dc7d28356abc8a137632351dafe94ea4a11d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8B40	10076 bytes

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