PDF malware analysis — malicious · e1254a2a218c1036

MALICIOUS

PDF

44.9 KB Created: 2020-08-30 19:49:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: af63c018c1f1c6d900826858acc6d61d SHA-1: 9640d5801a806d319be28975248f2c908417d18c SHA-256: e1254a2a218c103672b88b8e3204f9d9460b41456033469b5b87731f5253747d

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a prominent link that redirects to a URL associated with malicious redirector infrastructure, specifically designed to lure users into downloading content. The document body, though heavily obfuscated, contains text related to downloading and the malicious URL itself. The presence of numerous external PDF links further supports the malicious intent of a link farm designed to attract clicks.

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.cc/wix?keyword=kitchen+draw+full+download
- https://static.usrfiles.com/ugd/b8c837_b7f236eb8bf84af8bce360f1a50728c1.pdf
- https://static.usrfiles.com/ugd/b8c837_ace50ffdebbc4e34b167435effa8a64b.pdf
- https://static.usrfiles.com/ugd/0047a4_4fdddee5906649a6857c4b09e5a4fbad.pdf
- https://static.usrfiles.com/ugd/b8c837_4ac9d2a036f34d8ea03df5aeb42717b9.pdf
- https://static.usrfiles.com/ugd/6908d7_d2e5913f1a064033be313c7c15f155b8.pdf
- https://static.usrfiles.com/ugd/b8c837_496c8eb36ba64e1a8770a0d32e39d74c.pdf
- https://static.usrfiles.com/ugd/cc10e7_61cfdb74546048d4896ce4428c880de2.pdf
- https://static.usrfiles.com/ugd/e32576_4a1817d0215242bf899ff90ae7520472.pdf
- https://static.usrfiles.com/ugd/822ecd_f56f07cb5db74f09b121d47cf61f8478.pdf
- https://static.usrfiles.com/ugd/b8c837_e32925c4c4944104ad021826a9565fad.pdf
- https://static.usrfiles.com/ugd/b8c837_8056c5936ebc4364bbd367e4684a9b01.pdf
- https://static.usrfiles.com/ugd/b8c837_9a1c3bd2798b45c6b92e13d39c3ab9e8.pdf
- https://cdn.shopify.com/s/files/1/0433/1926/3397/files/bloodborne_pthumeru_chalice.pdf
- https://cdn.shopify.com/s/files/1/0435/0856/4127/files/sony_ht_ct60_review.pdf
- https://cdn.shopify.com/s/files/1/0440/2459/4597/files/free_al_quran_microsoft_word_2010.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_off000060c2.bin` `138501210d096e64e42127b3398343008fab581e44a2cf3720d7359f91adefcb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x60C2	4852 bytes
`font_01_sfnt_off000071c1.bin` `cb54213e9597a258487ed852e067f27ab9f5bbe32bdfe34d320e749c5829e4ca`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x71C1	4992 bytes
`font_02_sfnt_off000082bd.bin` `2b593199bd94768f2297ec455947cf21d2df82db887f9ac7d752222784bef47f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x82BD	10528 bytes

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