PDF malware analysis — malicious · d1b601f05df061da

MALICIOUS

PDF

41.7 KB Created: 2020-09-17 19:13:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b5371c50a158253a9cfd493bd554fa2d SHA-1: 732603257d6b377de1dc04c225506db59c213ead SHA-256: d1b601f05df061dad0c6f9ab69a4cd1b671f58867504781efad02fe0726f7f95

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector link. The document body, though heavily obfuscated, contains URL fragments that align with the observed link farm behavior. The primary malicious URL identified is ttraff.me, which is likely used to redirect users to a further malicious destination.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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.me/wix?keyword=graveyard+keeper+ps4+science+points
- https://12185421-d5fb-4401-ac35-1992b8545940.filesusr.com/ugd/9c66ff_8d479955b9df43319ef3541931850542.pdf?index=true
- https://60853ce2-f2cf-4d67-b8e8-294a515d8efd.filesusr.com/ugd/f99735_3606171bbdd64b1090c7780f050b839d.pdf?index=true
- https://8b6fb6c0-8bc8-4444-b255-f876a03232f5.filesusr.com/ugd/bb05c1_7866bbfbdced4f40a12f87ca5e65e695.pdf?index=true
- https://f97e5942-0e8f-4665-adb6-52384abd7e67.filesusr.com/ugd/ad2ade_24c2c06212c64123b15d44c7a3e7537f.pdf?index=true
- https://df661473-bc90-4aa0-a884-0ec0a8646853.filesusr.com/ugd/b85eb0_1ff5f8e94f454d3d86fd17b88fff91f9.pdf?index=true
- https://2837c945-f448-4b8f-9801-6c590d24161b.filesusr.com/ugd/2c8d66_f1733da67d2d43538375171d5e073faa.pdf?index=true
- https://c806a0ba-551f-4e21-875e-fea759ebc3be.filesusr.com/ugd/217b8a_70ffbdaf6b6f4becb149c3bc2288b088.pdf?index=true
- https://feb4b76d-2cf8-4178-86c8-0212951bafcb.filesusr.com/ugd/55cc32_111083a9775f475a82719c99387f103b.pdf?index=true
- https://cdn.shopify.com/s/files/1/0437/4190/5045/files/cours_d_anglais_gratuit__tlcharger.pdf
- https://cdn.shopify.com/s/files/1/0428/9003/5366/files/rudram_tamil_free_download.pdf
- https://29296484-a485-45a8-8e41-e55ed1761cdc.filesusr.com/ugd/3f80ec_699c250fe22643af85f83f4ee0932eab.pdf?index=true
- https://966ce6f6-95e4-437d-abb9-263d1b52457c.filesusr.com/ugd/cacfd7_bae48fa529134866b6a031fb5081925e.pdf?index=true
- https://e57e024e-db84-4c1d-ae7e-95f83799ad2d.filesusr.com/ugd/c638b7_8fd8e1fd454242f99bd55e8e745ad8bc.pdf?index=true
- 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_off000064f6.bin` `4458c70722000c2466f4f65ba192cd185d7df92a47b5da0def31c60a1ae9bc54`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x64F6	5380 bytes
`font_01_sfnt_off0000776f.bin` `aa7b1dc125a8c551907c521f2199c05b600b49e90a6395855c466ad0fdfb0afe`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x776F	10416 bytes

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