PDF malware analysis — malicious · 38e44547d87f77ea

MALICIOUS

PDF

41.0 KB Created: 2020-08-01 04:51:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a00430b3442751eb1348937aedf34f19 SHA-1: ebd2fae0a6874a53c4409010ba2cc293bb082447 SHA-256: 38e44547d87f77eab6df8aaacb1d7f0ef94433166c2129b37e72ea53e09025ca

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The primary malicious URL, https://ttraff.com/pify?keyword=making+hard+decisions+with+decision+tools+pdf, is designed to redirect users. Another heuristic identified a PDF link farm, suggesting an attempt to obscure the malicious intent through a large number of outbound links, many hosted on cdn.shopify.com.

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=making+hard+decisions+with+decision+tools+pdf
- http://files.ironkoi.com/uploads/1/3/0/8/130814050/f7f9a8116d.pdf
- http://files.jbmarbleandgranite.com/uploads/1/3/1/6/131606313/gozesavosizuzod.pdf
- http://files.highlandschristianpreschool.org/uploads/1/3/0/9/130969300/verazeverenulek.pdf
- http://files.theaceso.com/uploads/1/3/1/4/131453506/residofolanidu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/riwemabosemuridaredexe.pdf
- https://cdn.shopify.com/s/files/1/0430/8772/4704/files/pafolazuxidobozun.pdf
- https://cdn.shopify.com/s/files/1/0430/9227/9460/files/57239023420.pdf
- https://cdn.shopify.com/s/files/1/0430/1121/1425/files/fadazudigezijimaxukinago.pdf
- https://cdn.shopify.com/s/files/1/0431/9290/9987/files/hartford_annuity_login.pdf
- https://cdn.shopify.com/s/files/1/0439/3736/6174/files/30563421661.pdf
- https://cdn.shopify.com/s/files/1/0435/9146/7176/files/jutidozawudane.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/geligup.pdf
- https://cdn.shopify.com/s/files/1/0431/8740/4968/files/tonowudubopup.pdf
- https://cdn.shopify.com/s/files/1/0431/3628/6877/files/93704691769.pdf
- https://cdn.shopify.com/s/files/1/0432/4448/6824/files/4507674432.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_off00005463.bin` `7ef4ad4672cbf3533b13139c72d5490b772ac42db70d1dcd3a868cd690d30c7f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5463	5580 bytes
`font_01_sfnt_off0000677a.bin` `c74d27dcb1dc79bcd4bacd60659b587d5a0a95ad2ec1e66a1135eab00905e642`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x677A	10356 bytes
`font_02_sfnt_off00008a55.bin` `04c9e64820d5561eee564b53f513fa25ffbb2fa8f4ab5fa1aa5139546e5a9cf6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8A55	3116 bytes

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