PDF malware analysis — malicious · b2fddfcd3bea44cd

MALICIOUS

PDF

44.2 KB Created: 2020-09-02 18:18:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 3c002cb68c57eb6236e9b72b81592951 SHA-1: 0ab5b31357a1631349d355fb0bd39067a4b0d6f5 SHA-256: b2fddfcd3bea44cd24651858cc651f61f1537c8722291aec4a0df5447e63ec35

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1200 Hardware Add-in T1059.001 PowerShell

The PDF document contains a large number of embedded links, a technique often used to create SEO link farms or redirect users to malicious sites. One critical heuristic firing indicates a direct link to known malicious redirector infrastructure. The document body, though partially corrupted, contains the URL that triggers the malicious redirector. No scripts were extracted from this sample.

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.club/wix?keyword=latex+user+manual+template
- https://static.usrfiles.com/ugd/824332_bb9657504cc74e7c88da63dc5abb6ca3.pdf
- https://static.usrfiles.com/ugd/0bcf16_9c783b00584c4bc7a78e29a8186d31ca.pdf
- https://static.usrfiles.com/ugd/ace02d_12e7045789954bbe839a9afc576977bb.pdf
- https://static.usrfiles.com/ugd/79e0dc_5a524d27b1844ef8bde31146e2c7b840.pdf
- https://static.usrfiles.com/ugd/35c6e2_8c9d944eab9f4d4ea51f38eec9a817d6.pdf
- https://static.usrfiles.com/ugd/b8c837_3010b412e38b43359fd62b332d980e0e.pdf
- https://static.usrfiles.com/ugd/db93e9_2d803fa7c9774e44b30219e243cf5e0e.pdf
- https://static.usrfiles.com/ugd/822ecd_c19c8329aa4044abb5e573ea99426cb3.pdf
- https://static.usrfiles.com/ugd/9f69bd_b73a666bf2cd4d068322d084405ddfd7.pdf
- https://static.usrfiles.com/ugd/1e32c2_fa08e57f59c54c56baf4ec2b55f9d633.pdf
- https://static.usrfiles.com/ugd/b8c837_c20eb92b6cb9488897b5fdd42d1e0f5c.pdf
- https://cdn.shopify.com/s/files/1/0432/8282/5371/files/fimutonuzegofalaw.pdf
- https://cdn.shopify.com/s/files/1/0429/6150/2374/files/psquare_busy_body_song.pdf
- https://cdn.shopify.com/s/files/1/0436/4750/0448/files/79436651054.pdf
- https://cdn.shopify.com/s/files/1/0431/8153/9483/files/zaximizi.pdf
- https://cdn.shopify.com/s/files/1/0430/0118/4417/files/duvonupolaludar.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_off00006389.bin` `68eba243b27ebd5ca06dd07119a31e7a8ef8fcc274f66886d00cfe44c2f60851`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6389	4700 bytes
`font_01_sfnt_off00007361.bin` `638c62e83b45868932f9275a2cbf3a8b535adbebf9845cc31102da65aff4d92c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7361	10116 bytes
`font_02_sfnt_off000095f1.bin` `1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x95F1	4324 bytes

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