PDF malware analysis — malicious · feee96af24d93c9b

MALICIOUS

PDF

47.3 KB Created: 2020-08-29 20:19:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 84ed4ef244bd9ee375eac6a0776bfb83 SHA-1: d2bcb92786b562d0006921202f14f062b219ea60 SHA-256: feee96af24d93c9b5e0e34a018952fd32a87dfe45eb067307a847a59cae6eb5b

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 one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains the URL https://ttraff.com/wix?keyword=segmentos+de+la+circunferencia, which is flagged as malicious. The presence of numerous external PDF links suggests an attempt to manipulate search engine results or lure users to malicious content.

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=segmentos+de+la+circunferencia
- https://static.usrfiles.com/ugd/b8c837_922d640a9751425b9e720093c48995a0.pdf
- https://static.usrfiles.com/ugd/b8c837_7492fa46f0884664b73071ecbe1ce725.pdf
- https://static.usrfiles.com/ugd/7baf93_f4654bb28ddd4f258a98fbaf74710246.pdf
- https://static.usrfiles.com/ugd/b8c837_8eb3c54016d04d24ab1ab29580d5a40b.pdf
- https://static.usrfiles.com/ugd/b7ed05_ef3f85d74dbf4a7e89a35c4fb329ed6d.pdf
- https://static.usrfiles.com/ugd/b8c837_495b255cf0bb4d7cac6070c91c4eddff.pdf
- https://static.usrfiles.com/ugd/b8c837_23de9b25a7244af8b20cabae8e05d6d0.pdf
- https://static.usrfiles.com/ugd/b8c837_ab510ceca5b543cf8b782a77f8b8efb8.pdf
- https://static.usrfiles.com/ugd/b8c837_0265392217ca4d0c9113f8cf1b3a9dd3.pdf
- https://cdn.shopify.com/s/files/1/0446/7684/1635/files/41395278757.pdf
- https://cdn.shopify.com/s/files/1/0428/3406/7615/files/bestimmte_und_unbestimmte_artikel_bungen_2_klasse.pdf
- https://cdn.shopify.com/s/files/1/0429/3351/8489/files/62071496441.pdf
- https://cdn.shopify.com/s/files/1/0438/0003/5485/files/36177976765.pdf
- https://cdn.shopify.com/s/files/1/0437/3273/0017/files/the_flash_s03e07_torrent.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000059e0.bin` `60fc4f2ea252ff620b25275b19b95d4772a57a23b67b776192246a902e44ac6c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x59E0	5444 bytes
`font_01_sfnt_off00006c49.bin` `fb9f125ac9fced74ad6877baa9997fee073c17677727fd0718a27bbfa348d19c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6C49	14704 bytes
`font_02_sfnt_off00009994.bin` `a12e1470c7ae925daad548a12934703a3a60fb09a822252cc73ba90359afbd61`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9994	16064 bytes

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