PDF malware analysis — malicious · bfec50ade69ce9d8

MALICIOUS

PDF

39.7 KB Created: 2020-09-01 05:21:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 886c5ad328ce3ed81826a13c4d90f0ad SHA-1: 557ac5231e5e6f89cdf49ccc65f16133735d6ee7 SHA-256: bfec50ade69ce9d81a21a45dcac6df192c6b1586cdcfb99483702cd1e0435bec

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links, with at least one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector. This suggests the primary goal is to lure the user to a malicious site. The PDF was generated by wkhtmltopdf, a tool often used to create documents for SEO spam or phishing campaigns.

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=badri+songs++naasongs.+com
- https://static.usrfiles.com/ugd/54fa57_de60d7964edc4613ad82eb5aa1119591.pdf
- https://static.usrfiles.com/ugd/c618e9_2da15e073ce44ff78408e964f6fecfd0.pdf
- https://static.usrfiles.com/ugd/b7082a_0a3748765a0b4210a4972ecf37768b20.pdf
- https://static.usrfiles.com/ugd/b8c837_096c9ef2c21d4edd99528077ba3309ed.pdf
- https://static.usrfiles.com/ugd/fdee49_5adcec10f02d436f9ab5381287a057d7.pdf
- https://static.usrfiles.com/ugd/daca0d_f3f34a14d2fe4e28ae01ab7574d0171b.pdf
- https://static.usrfiles.com/ugd/455f95_383c681890514494ac236aa6bbe77189.pdf
- https://static.usrfiles.com/ugd/0df15e_8afc16f01fc547a484f888e0302e9446.pdf
- https://static.usrfiles.com/ugd/8b2c09_bf73621c0c714698b1b101ca3ad3ad7e.pdf
- https://cdn.shopify.com/s/files/1/0428/1961/6935/files/watch_movies_online_free_app_for_android.pdf
- https://cdn.shopify.com/s/files/1/0437/1188/9562/files/vunijolegikegulimu.pdf
- https://cdn.shopify.com/s/files/1/0435/2563/6248/files/35372920799.pdf
- https://cdn.shopify.com/s/files/1/0431/7390/4545/files/danazedegitofaruvit.pdf
- https://cdn.shopify.com/s/files/1/0432/2033/6802/files/lasibape.pdf
- https://static.usrfiles.com/ugd/b8c837_e35beff690f548fb955e51f8a2d41739.pdf
- https://static.usrfiles.com/ugd/7ff653_635bb2219f07493ebef84199906a8af4.pdf
- https://static.usrfiles.com/ugd/ecec20_fe33a928fa344dbd9925c0a2af2f2ce0.pdf
- https://static.usrfiles.com/ugd/8cbfce_39e3140e1ea84635bbf7bf9b867d316a.pdf
- https://static.usrfiles.com/ugd/83b1b3_69c2f69a091e44fd96320eebea63359c.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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005461.bin` `1dcbfc6cbb1d785e1da05d4ef16f8eb368d26cb980fe782cb3a1b4905c428e3a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5461	5308 bytes
`font_01_sfnt_off00006660.bin` `215ebe932abe7e7dc28bef47018e431513458039da4a5cf72b7b68b4ff241749`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6660	13920 bytes

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