PDF malware analysis — malicious · f302aa2da5c042ed

MALICIOUS

PDF

45.9 KB Created: 2020-07-16 04:08:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 428b2b15d6c46cb89552c05a923c9cd4 SHA-1: 3918e8215dc73b969c2fad14e465ff95b28ade29 SHA-256: f302aa2da5c042edaa48804f0c71b754e6fd543386424749d086234a8ea9bf4e

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

This PDF file contains multiple embedded links, a common tactic for SEO link farms designed to drive traffic to malicious sites. One prominent URL, 'https://ttraff.ru/wb?keyword=weather%20worksheets%20esl%20adults', is flagged as a malicious redirector. The document body, though heavily obfuscated, appears to contain keywords related to educational materials, likely serving as a lure.

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.ru/wb?keyword=weather%20worksheets%20esl%20adults
- http://files.brooklynartgalleries.com/uploads/1/3/2/3/132302987/xogaked_rujisape.pdf
- http://files.timothysmithactor.com/uploads/1/3/1/4/131452976/2906862.pdf
- http://files.brannmanndan.com/uploads/1/3/0/7/130739949/miramagadasa.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/82973104521.pdf
- https://cdn.shopify.com/s/files/1/0427/9985/7823/files/jojepupotop.pdf
- https://cdn.shopify.com/s/files/1/0432/2318/7614/files/95028458482.pdf
- https://cdn.shopify.com/s/files/1/0434/8136/6693/files/tokutogabiganetutix.pdf
- https://cdn.shopify.com/s/files/1/0430/9860/3669/files/67014968508.pdf
- https://jolemafe.files.wordpress.com/2020/06/76608930527.pdf
- https://sojedub.files.wordpress.com/2020/06/woluf.pdf
- https://lapivaw.files.wordpress.com/2020/07/turopulasorixinok.pdf
- https://tefaluvutas.files.wordpress.com/2020/06/nemiruz.pdf
- https://cdn.shopify.com/s/files/1/0433/6379/5094/files/155864449.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dijev.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/31670740491.pdf
- https://cdn.shopify.com/s/files/1/0433/6805/4949/files/zebatovamivatopikitepi.pdf
- https://cdn.shopify.com/s/files/1/0433/5638/9528/files/53539934654.pdf
- https://cdn.shopify.com/s/files/1/0427/7505/2454/files/92835544334.pdf
- https://cdn.shopify.com/s/files/1/0432/3033/1040/files/netesakelopitorikiwed.pdf
- https://cdn.shopify.com/s/files/1/0432/2626/7806/files/35345139703.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/larabobed.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_off000076bb.bin` `e95b7a0dd17cde3879dcfd0eee262349f419e136c740954a43acae3c4ae05878`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x76BB	4808 bytes
`font_01_sfnt_off00008742.bin` `8de7f5512a8da53cdccf0d898fcf95819733db7626559a84118628ada9211e4b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8742	10176 bytes

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