PDF malware analysis — malicious · 52d0a395b678b573

MALICIOUS

PDF

50.4 KB Created: 2020-08-30 03:03:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: adfed1515af361a37fc315a23a2d50ac SHA-1: 2d3b2cd613b66d3379e3b8977f80b093c70d99df SHA-256: 52d0a395b678b5736c21b383c32fc0da17d5d4057c08f14c31fa14843a4488a2

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL. This suggests the primary purpose is to redirect the user to a malicious site, likely for further exploitation or phishing. No scripts were extracted, and the family is unknown due to the lack of specific indicators.

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.com/wix?keyword=subtraction+with+regrouping+worksheets+5th+grade
- https://static.usrfiles.com/ugd/0aab01_4f4f57511ebc464aa7644b79801791ac.pdf
- https://static.usrfiles.com/ugd/0a052f_d4c09d70f56b47b19c697d55ecc348a1.pdf
- https://static.usrfiles.com/ugd/b8c837_01138b9847b64762b35bb299ae6ebf02.pdf
- https://static.usrfiles.com/ugd/b8c837_15d987383e264efbaaf12855d5cf5ee2.pdf
- https://static.usrfiles.com/ugd/af0aa9_ba700c2e31394eb8883f05616b019a47.pdf
- https://static.usrfiles.com/ugd/b8c837_f6b64974eaf54542941a3648d5c078bc.pdf
- https://static.usrfiles.com/ugd/ce14f3_e128f845a5304e52a37e67d4c4e4c556.pdf
- https://static.usrfiles.com/ugd/97368a_1a6196ef96544be382836689e36e7ad2.pdf
- https://static.usrfiles.com/ugd/b8c837_1ce61f72d0114a4e804a390d3b526560.pdf
- https://static.usrfiles.com/ugd/ac72e0_b2a155673b454b76b2755ea0683cbdcc.pdf
- https://cdn.shopify.com/s/files/1/0436/4930/2693/files/16413943942.pdf
- https://cdn.shopify.com/s/files/1/0434/9480/1568/files/pulajofejuwofifituxadil.pdf
- https://cdn.shopify.com/s/files/1/0428/0880/3495/files/mexapesadifupaledelaji.pdf
- https://cdn.shopify.com/s/files/1/0435/3795/7023/files/garixupozikax.pdf
- https://cdn.shopify.com/s/files/1/0435/5106/4228/files/banksman_hand_signals.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_off0000624e.bin` `e58f3b04a1739b07723350ef8b19b39390fbc482e3a4c500cf27571c7fc8cb31`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x624E	5828 bytes
`font_01_sfnt_off00007625.bin` `fc6591d7f365b49a40503d12fafb5064d277cc4a2db3e62fc72c7d8d8bfac9ca`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7625	16060 bytes
`font_02_sfnt_off0000a7c9.bin` `2fa4f296fe9e38b1bea2264e65e06c45fbbf4edfcb32b68fd436b1108ab95b01`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA7C9	16096 bytes

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