PDF malware analysis — malicious · f7f9a312dd7db90e

MALICIOUS

PDF

42.4 KB Created: 2020-08-30 13:22:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 6588b2b240f17190849d7b51268e6bd8 SHA-1: 6e8c60f26ec758b668973d24f52e88419f11851c SHA-256: f7f9a312dd7db90ea4e120c96913a0025acd09ef124269c21b390aa2c6d4645f

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, with a critical heuristic firing indicating a malicious redirector. The document body, though largely garbled, contains the URL https://ttraff.com/wix?keyword=julie+julie+johny+ka+dil+mp3+song, which is flagged as a malicious redirector. Another critical heuristic identified a PDF link farm, with the primary link pointing to static.usrfiles.com. The combination of these factors suggests the document's primary purpose is to lure users to malicious or spam-related websites.

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=julie+julie+johny+ka+dil+mp3+song
- https://static.usrfiles.com/ugd/b8c837_45a7289066404131857ee4b4a092155d.pdf
- https://static.usrfiles.com/ugd/5a1791_fd86e2d320b146c2b96acb461c68c1c1.pdf
- https://static.usrfiles.com/ugd/8127dd_6f665a069ce04ab8b50e2d920217080a.pdf
- https://static.usrfiles.com/ugd/b8c837_161157c80ca949628ceda4d1d843ee1f.pdf
- https://static.usrfiles.com/ugd/b8c837_b41ed9564edc49e481e31d1d9dac9b30.pdf
- https://static.usrfiles.com/ugd/9e41f0_27c245234e3b433abec259d0a7866c94.pdf
- https://static.usrfiles.com/ugd/b8c837_85f6f5ce8cc248e7a4413e0384b2d39e.pdf
- https://static.usrfiles.com/ugd/6f7357_e0bd331fc6134b30ad8362ab4e9f098a.pdf
- https://cdn.shopify.com/s/files/1/0431/7826/2689/files/jinadefovuvofej.pdf
- https://cdn.shopify.com/s/files/1/0438/1881/1552/files/benuvenoregagakofifonulef.pdf
- https://cdn.shopify.com/s/files/1/0433/7883/5606/files/280322207.pdf
- https://static.usrfiles.com/ugd/4d6844_2cf21fe1dd83481b97fe598e840f2e26.pdf
- https://static.usrfiles.com/ugd/b8c837_77a28d23e4884018bdace19f74a42eff.pdf
- https://static.usrfiles.com/ugd/b8c837_e62dca9eb4164cc580e4e8856dd25dcd.pdf
- https://static.usrfiles.com/ugd/ce0e6d_59bc8e0881234af9a2b2ad307d572775.pdf
- https://static.usrfiles.com/ugd/b8c837_70326a70e89b4679b8a42a9ed222a8a6.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_off000064a5.bin` `3947112118a2c9d3a54c6673a3ab047ec0717078e6a482df29ea6fefa73925c1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x64A5	5672 bytes
`font_01_sfnt_off000077d9.bin` `cc657725f8c822fa570fa93119a10aaab1aaa44d1e51baa47fe4a27607950840`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x77D9	10756 bytes

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