PDF malware analysis — malicious · 89506719aee1b6b2

MALICIOUS

PDF

42.2 KB Created: 2020-09-03 21:40:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a62f3cad5c4ed40890e3b4d92b384025 SHA-1: 6d87a25a31af65683e36efc20cc863e3f5e5007c SHA-256: 89506719aee1b6b2933d190895103975a9a6cdac7746bc70ef1c548d874aabe6

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a mass external link farm and a specific redirector link, indicating a malicious redirection attempt. The presence of a 'download button' heuristic further supports the lure to click on these links. The primary redirector URL is https://ttraff.link/wix?keyword=autodesk+inventor+cam+2020, which likely leads to a malicious payload or phishing page. The document body, though heavily obfuscated, contains this URL and other PDF links.

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.link/wix?keyword=autodesk+inventor+cam+2020
- https://cdn.shopify.com/s/files/1/0439/5555/2414/files/ripabad.pdf
- https://cdn.shopify.com/s/files/1/0432/3098/6400/files/39728379205.pdf
- https://cdn.shopify.com/s/files/1/0432/8731/4585/files/wojonapifoxomusatujowezux.pdf
- https://cdn.shopify.com/s/files/1/0435/2632/4383/files/meroda.pdf
- https://cdn.shopify.com/s/files/1/0432/9380/2646/files/63499644855.pdf
- https://cdn.shopify.com/s/files/1/0437/5327/5546/files/3d_animation_maker_apk_game.pdf
- https://static.usrfiles.com/ugd/b8c837_80cac8eeca774c5aaaac7f0051ac1ef8.pdf
- https://static.usrfiles.com/ugd/0511f5_2ef799908d7e40aeaa94e1a420b8dd22.pdf
- https://static.usrfiles.com/ugd/2e79a6_d050242eeda54e06b4f53277705f8f4e.pdf
- https://static.usrfiles.com/ugd/e3834b_372094767c0c4fd3aba0e84236e0a890.pdf
- https://static.usrfiles.com/ugd/04c368_2b3fc2fe0dac4aa082d6cb7284a6269c.pdf
- https://static.usrfiles.com/ugd/5ea4d5_09b443e17502477b92ff3b28be9e4315.pdf
- https://static.usrfiles.com/ugd/d017d5_eae16ba5048642ceb04c07af54a3b5d9.pdf
- https://static.usrfiles.com/ugd/1df9ea_a5dfee6d65f34f9a8229d68bed80d083.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_off00005f18.bin` `1057436f35c2ccca6cdfb85c331d65c3af8f264a2e2598b78eb137e822051157`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5F18	5440 bytes
`font_01_sfnt_off0000718a.bin` `0145560665238c01c43e87b83862a55596c3322c007f9b5b21ec846c5d4475d5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x718A	13416 bytes

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