PDF malware analysis — malicious · fe46a0edce184086

MALICIOUS

PDF

47.2 KB Created: 2020-08-13 00:52:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9e04bbf5eefbe5c9939a45424aa99971 SHA-1: 9c6c9bb3af77e08142e5fad188383c9ed5e54409 SHA-256: fe46a0edce18408674cf4a1a8b32fb87d3542cbf70c358f2ad3c07bf3debc001

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link that redirects to a malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/wb?keyword=non-manual%20office%20work', suggesting a lure for job-related scams. The ML classifier also strongly indicated maliciousness.

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/wb?keyword=non-manual%20office%20work
- http://files.rdpresets.com/uploads/1/3/2/7/132740637/110396.pdf
- http://files.mymothersbasementgallery.com/uploads/1/3/0/9/130968950/71a9af9f.pdf
- http://files.quinciehydock.com/uploads/1/3/2/6/132681665/fovupifiribekis.pdf
- http://files.tradewindsroofingsc.com/uploads/1/3/1/4/131453592/5587346.pdf
- http://fatesaf.tinwagonboutique.com/uploads/1/3/0/8/130814328/lukezumoxotixubujek.pdf
- http://files.quinciehydock.com/
- https://cdn.shopify.com/s/files/1/0433/3522/1403/files/53452790340.pdf
- https://cdn.shopify.com/s/files/1/0433/5314/5495/files/capital_structure_of_joint_stock_company.pdf
- https://cdn.shopify.com/s/files/1/0430/3906/4225/files/country_code_81.pdf
- https://cdn.shopify.com/s/files/1/0435/1718/2104/files/60471049354.pdf
- https://cdn.shopify.com/s/files/1/0436/9963/4328/files/71894295616.pdf
- https://cdn.shopify.com/s/files/1/0429/6835/0886/files/polar_and_nonpolar_covalent_bonds.pdf
- https://cdn.shopify.com/s/files/1/0433/2093/4558/files/bitaraguseleponiwikuraxo.pdf
- https://cdn.shopify.com/s/files/1/0451/1003/4597/files/fojazapisariwikukedat.pdf
- https://cdn.shopify.com/s/files/1/0430/5531/7149/files/67899240171.pdf
- https://cdn.shopify.com/s/files/1/0439/0774/3899/files/fegawunijenelinif.pdf
- https://cdn.shopify.com/s/files/1/0431/7108/6485/files/57466492367.pdf
- https://cdn.shopify.com/s/files/1/0433/9240/1558/files/difference_between_national_park_and_wildlife_sanctuary.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_off00007508.bin` `f7a095a4bd6d7aacc233b23652aabf684b477381f352346e8de53376b1ea1311`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7508	5004 bytes
`font_01_sfnt_off00008614.bin` `4709d19a1934282e75511ed248a9c9570fbaeaab6d2e05feb0baba6b6e3ad265`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8614	11752 bytes

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