PDF malware analysis — malicious · 34ec2725adf26bbb

MALICIOUS

PDF

52.4 KB Created: 2020-07-28 09:09:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 1bc490e572477ffdb1e184cd9e13a7b4 SHA-1: f6e6d7d1503e2165ec1501c0e998bcfef34251ae SHA-256: 34ec2725adf26bbb5c9fb4737e1afdd2ac4558b7d63f45246c0628b9a5005341

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious File T1059.001 PowerShell

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the primary links redirects to a known malicious domain, ttraff.ru, disguised as a download for antivirus software. This indicates a social engineering lure designed to trick users into visiting malicious sites or downloading further malware. The presence of a 'download button' heuristic further supports this deceptive intent.

Heuristics 4

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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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/pify?keyword=comodo+antivirus+for+windows+7
- http://files.2000enterprise.com/uploads/1/3/1/3/131379252/960379207.pdf
- http://files.zeenasopinion.com/uploads/1/3/2/7/132740536/gikotudakixoda_jivon.pdf
- http://files.uniquestationers.com/uploads/1/3/1/8/131856134/vexilupurajoja.pdf
- https://cdn.shopify.com/s/files/1/0430/2897/1681/files/perazogepipe.pdf
- https://cdn.shopify.com/s/files/1/0431/1816/6167/files/nonuge.pdf
- https://cdn.shopify.com/s/files/1/0433/9499/0243/files/21510805500.pdf
- https://cdn.shopify.com/s/files/1/0434/2962/6013/files/45263268117.pdf
- https://cdn.shopify.com/s/files/1/0429/3555/0118/files/gibus.pdf
- https://cdn.shopify.com/s/files/1/0431/2625/9876/files/68660018168.pdf
- https://cdn.shopify.com/s/files/1/0430/6596/6741/files/jatogazoxujiju.pdf
- https://cdn.shopify.com/s/files/1/0434/7179/8424/files/ginivuvafixazemixuti.pdf
- https://cdn.shopify.com/s/files/1/0429/2476/9436/files/vaforiwelijajevame.pdf
- https://cdn.shopify.com/s/files/1/0429/7064/4631/files/xesijiserepajevugujejami.pdf
- https://cdn.shopify.com/s/files/1/0432/7096/3350/files/86101640647.pdf
- https://cdn.shopify.com/s/files/1/0436/6693/1862/files/keforuworefajifitero.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_off00008e96.bin` `f4104e1e22a6e202854a224590462e45c171bbdd2dfbe8b50df442cdcd0d44c1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8E96	5040 bytes
`font_01_sfnt_off00009fb8.bin` `f1508fb677106fdb3d84fc3f7b12fb1d20388b6a5bd66dcf963ceabfb50791f9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9FB8	10664 bytes

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