PDF malware analysis — malicious · 569434cb535fe0c8

MALICIOUS

PDF

126.6 KB Created: 2020-09-08 11:40:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 0462c2f5bfb61172498b2964c0204c0e SHA-1: 6b866b93a9c09f77b3fabc03b3f7ca2678f46c79 SHA-256: 569434cb535fe0c8dfd4631508b07f3ef4e399a858ad7aee519f1ba32a61ab4d

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, pointing to 'https://ttraff.club/wix?keyword=impact+of+agriculture+on+climate+change+pdf'. This URL is presented within the document body, suggesting a social engineering lure to trick the user into clicking it. The PDF also exhibits characteristics of a link farm, with numerous external links, further supporting the malicious intent of redirecting users to potentially harmful sites. The ML classifier strongly supports the malicious nature of this PDF.

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.club/wix?keyword=impact+of+agriculture+on+climate+change+pdf
- https://cdn.shopify.com/s/files/1/0440/7522/1157/files/audiovisual_translation_subtitling_volume_2.pdf
- https://cdn.shopify.com/s/files/1/0429/6353/3977/files/swatch_irony_chronograph_manual.pdf
- https://cdn.shopify.com/s/files/1/0437/6815/2216/files/70815726422.pdf
- https://cdn.shopify.com/s/files/1/0429/0982/7231/files/3100665550.pdf
- https://cdn.shopify.com/s/files/1/0433/5376/8095/files/agreement_on_rules_of_origin.pdf
- https://static.usrfiles.com/ugd/f91cf1_a75e9acf3ef242a29a290a3b54cdb218.pdf
- https://static.usrfiles.com/ugd/cfa91a_fdc17e64edfb4a24a1013703f8e93878.pdf
- https://static.usrfiles.com/ugd/3e5db3_d59063f9e5474eb393cf40bfd4208f87.pdf
- https://static.usrfiles.com/ugd/cdb50c_50f47aca997b45439df43028e00d2d36.pdf
- https://static.usrfiles.com/ugd/6260fe_928d4e874d3740abb0e747517a036364.pdf
- https://static.usrfiles.com/ugd/9ec29b_78ca4113ea2d473b9ce2494f3371e2e1.pdf
- https://static.usrfiles.com/ugd/8b4172_b5c67dbf460140e6b922e24e7418532d.pdf
- https://static.usrfiles.com/ugd/930050_ecafae8b7f1843c891031908d25a18e5.pdf
- https://static.usrfiles.com/ugd/ed2d23_c886fb13d6554b8785da22ddd1ca50e1.pdf
- https://static.usrfiles.com/ugd/1e8759_a68e1da2e7c14e5ab8ff982b8e27d275.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_off0001ae3a.bin` `9eec0f261a15b4b0775902c68bc2ae97669309ca661cf76efd5ee0df4b86580a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1AE3A	5328 bytes
`font_01_sfnt_off0001c02a.bin` `d97bded2be307b99d67b61a56f385d9a78a331772389cccfa29dd1198961de3a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1C02A	14028 bytes

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