PDF malware analysis — malicious · 9c6dd509a61efc75

MALICIOUS

PDF

43.5 KB Created: 2020-07-31 16:45:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: c2874cdf4a876b4d71d4fa8e3d1a35da SHA-1: 54acb0c2cea5cd7b2a6f612a96aa483bac4feee6 SHA-256: 9c6dd509a61efc757f1286dcff9f53a899b92c2e50f5442948f29b0b1fbe0363

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=evenflo+symphony+manual'. Additionally, it exhibits a PDF link farm behavior, with numerous links to Shopify-hosted PDFs, suggesting a broad distribution attempt. The ML classifier strongly indicates maliciousness. The document body, though heavily obfuscated, contains the redirector URL, reinforcing the lure.

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/pify?keyword=evenflo+symphony+manual
- http://files.harrishomeopathy.com/uploads/1/3/2/6/132695633/46d872b50395702.pdf
- http://files.sorcerousendeavors.com/uploads/1/3/1/4/131407179/5793288.pdf
- http://files.tonymesarealestateschool.com/uploads/1/3/1/0/131069824/74102a6305a0d5.pdf
- http://files.charlotteponyclub.com/uploads/1/3/1/0/131069987/tilafowenes.pdf
- http://files.willucaauto.com/uploads/1/3/0/7/130739449/610142.pdf
- https://cdn.shopify.com/s/files/1/0428/2076/3804/files/66002484837.pdf
- https://cdn.shopify.com/s/files/1/0432/6552/3862/files/33663760954.pdf
- https://cdn.shopify.com/s/files/1/0438/7579/5099/files/pagep.pdf
- https://cdn.shopify.com/s/files/1/0433/9869/3022/files/15689222910.pdf
- https://cdn.shopify.com/s/files/1/0432/1558/5448/files/92359475131.pdf
- https://cdn.shopify.com/s/files/1/0431/7665/7051/files/51449874748.pdf
- https://cdn.shopify.com/s/files/1/0429/5114/7679/files/kodinijetixilajipadalefu.pdf
- https://cdn.shopify.com/s/files/1/0431/4369/2445/files/vijejelawapisevov.pdf
- https://cdn.shopify.com/s/files/1/0432/7315/8806/files/pamazo.pdf
- https://cdn.shopify.com/s/files/1/0432/6876/7907/files/maniac_magee_lesson_plans_pdf.pdf
- https://cdn.shopify.com/s/files/1/0433/5301/4427/files/zotefisiw.pdf
- https://cdn.shopify.com/s/files/1/0429/7372/4825/files/jiwudoxemufip.pdf
- https://cdn.shopify.com/s/files/1/0432/0080/7070/files/vatisedeki.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_off00006e46.bin` `28053a4629177e8c161e99b8cd28a5f2a5b128079daee5457b1110d2cc2f6d8a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6E46	5164 bytes
`font_01_sfnt_off00007fc9.bin` `fe369d966ccb7dcbc567e328ef161f6def7de0d040aaffbf5aa841635fa4bbd7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7FC9	9828 bytes

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