PDF malware analysis — malicious · 455dcb6dcc1061f9

MALICIOUS

PDF

68.5 KB Created: 2020-08-31 15:27:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 64d6a82bd07922787c87303ce675c0f0 SHA-1: fab576bde565713dd5c905434d8af62fa8b1938c SHA-256: 455dcb6dcc1061f97838334e447e03c38d1ead30b50b394922da27634e2dcf16

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains multiple embedded links, with one heuristic specifically identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains the same URL found in the heuristic, suggesting an attempt to direct users to malicious infrastructure. The presence of numerous links points towards a link farm or SEO poisoning tactic to increase visibility and lure victims.

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.ru/pify?keyword=anidamiento+significado+informatica
- https://cdn.shopify.com/s/files/1/0430/2936/4889/files/apposer_une_signature.pdf
- https://cdn.shopify.com/s/files/1/0429/0835/2679/files/gudasoxibaperenafubixinar.pdf
- https://cdn.shopify.com/s/files/1/0428/7974/6201/files/30266477361.pdf
- https://static.usrfiles.com/ugd/e32576_d6f1cbeb7bbc42cea18fd07a471facd4.pdf
- https://static.usrfiles.com/ugd/b7082a_9979be4eb1464c10806b914b6bc06089.pdf
- https://static.usrfiles.com/ugd/0c41e7_d52b1d1223ee4f0785a1c35717103b49.pdf
- https://static.usrfiles.com/ugd/b8c837_97af487722aa4dc08d086975bf48716b.pdf
- https://static.usrfiles.com/ugd/b8c837_eb565f218451427fb885b22ba80aca81.pdf
- https://static.usrfiles.com/ugd/b8c837_727369acb38440cc9e82b2393f2d1ed3.pdf
- https://static.usrfiles.com/ugd/9b5f63_900b4b4efd7f45038e5536e644979c0a.pdf
- https://static.usrfiles.com/ugd/b8c837_a96ba4d53c5d49dcb42b83e3e8453bac.pdf
- https://static.usrfiles.com/ugd/ecec20_dae3144f11c840df92a7fb784385212f.pdf
- https://static.usrfiles.com/ugd/b8c837_441e3a808b99455dab9bd83af84f3a4f.pdf
- https://static.usrfiles.com/ugd/a01749_3e8899c407a0464f9b3f312b0ecc6d58.pdf
- https://static.usrfiles.com/ugd/b8c837_30a319ecbfb8443d8351d97a3c243ee1.pdf
- https://static.usrfiles.com/ugd/e73fea_db8494eb21c640a1babf8906583a534b.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/
- https://static.usrfiles.com/ugd/b8c837_727369acb3844

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000b39f.bin` `9a98723dae936e7c7c8d502cfbcf27bf9f93cff28ba6a06675a6a95244fbc4de`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB39F	1696 bytes
`font_01_sfnt_off0000bbc9.bin` `87633470341706b37531b4819b7817233b4bdaa304dd2e64bbb02f0cf6dc87f8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBBC9	5300 bytes
`font_02_sfnt_off0000cdbd.bin` `bc4f8e83025338d8506030fb317d8dc69b8818658ba3317b21152a1ee50c9bea`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCDBD	17716 bytes

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