PDF malware analysis — malicious · e20febe4d07b51f0

MALICIOUS

PDF

79.8 KB Created: 2020-09-04 18:23:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 77d1aa5359ad54df867c72ea9bbd9d31 SHA-1: b6a070f559641d03c48ca641d2525b79faa676f8 SHA-256: e20febe4d07b51f0f438f38f1cba96d6026182a483e6f99f98ad57bafc7df45a

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains embedded links that redirect to known malicious infrastructure, specifically a URL associated with a redirector. The document body, though heavily obfuscated, contains text referencing a 'strategy guide book' and the malicious URL, suggesting a lure to trick users into clicking the link. The PDF also exhibits characteristics of a link farm, with numerous external links.

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=devil+may+cry+5+strategy+guide+book
- https://static.usrfiles.com/ugd/5c139a_6fc53ca1143b4a8aa1e5e56b3eaf32e5.pdf
- https://static.usrfiles.com/ugd/debdc1_7d91606839ac4b91a5d9a96e319e1324.pdf
- https://static.usrfiles.com/ugd/b8c837_25ac3e0f25bb42f1a1fc6501181d2e5f.pdf
- https://static.usrfiles.com/ugd/724bd4_d4f6b163719a4af0b851234d34555b65.pdf
- https://static.usrfiles.com/ugd/738632_96405c4a856f4e139d13efb72a02e142.pdf
- https://static.usrfiles.com/ugd/41a0b6_d6719964e69b44f5aac2f57654ace743.pdf
- https://static.usrfiles.com/ugd/b8c837_57c7de3b0d364c1fbf8deb0b00ac6e9d.pdf
- https://static.usrfiles.com/ugd/162fe6_b6f12ef7efb646cbbb85c0af45e1519b.pdf
- https://static.usrfiles.com/ugd/0adedf_e8d51a23c4484382b0343c2747aba96c.pdf
- https://static.usrfiles.com/ugd/b8c837_9a03a42d08d2456c818c1df141d2c68a.pdf
- https://cdn.shopify.com/s/files/1/0428/2623/6071/files/87068217478.pdf
- https://cdn.shopify.com/s/files/1/0437/0907/1513/files/cuento_de_valores_para_niC3B1os_respeto.pdf
- https://cdn.shopify.com/s/files/1/0463/3952/2717/files/body_by_rings.pdf
- https://cdn.shopify.com/s/files/1/0429/5114/7679/files/tubo_fluorescente_t5_54w_philips.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rumifagekesodurelakalon.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000cf83.bin` `32cb7021f9f80abaded552fc5dc336f7c9038328428c97470185696bd7ff9cd4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCF83	8928 bytes
`font_01_sfnt_off0000ed18.bin` `855fa2e4d67e6a19a022b6f92b411fd7b1f59cbf65787bc85245054def6e0880`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xED18	5524 bytes
`font_02_sfnt_off0000fff0.bin` `6e95a1a58067747ec5d9033345442f00d62e133a67de469aa5f0b6d6a7e23d22`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFFF0	10324 bytes
`font_03_sfnt_off0001233c.bin` `a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1233C	4324 bytes

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