PDF malware analysis — malicious · 59956cfa2303bfe8

MALICIOUS

PDF

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

MD5: 4923ee37b8d759375ed9622e9ac0404e SHA-1: ced001fa84d3642a6e619b723bb201bb7d4a662c SHA-256: 59956cfa2303bfe8059e1747579de0805453436421ed7d789453f55847dad82d

120 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF contains a mass external link farm, with one critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be the target of the redirection. The primary malicious activity observed is the redirection to a potentially harmful website via a deceptive link.

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=binondo+food+wok+map+pdf
- http://files.ballesteroselmer3d.com/uploads/1/3/2/6/132681772/7224420.pdf
- http://files.9pulaskistreet.com/uploads/1/3/0/8/130814785/zusituxituf_zetefewetomom.pdf
- http://files.gaillardsgems.com/uploads/1/3/2/6/132681690/tomox.pdf
- http://files.kayaband.co.uk/uploads/1/3/2/6/132682070/2059647.pdf
- https://cdn.shopify.com/s/files/1/0431/2468/7014/files/assistant_principal_interview_questions.pdf
- https://cdn.shopify.com/s/files/1/0430/6586/8437/files/31134975749.pdf
- https://cdn.shopify.com/s/files/1/0432/6418/0390/files/45886980972.pdf
- https://cdn.shopify.com/s/files/1/0432/1126/0062/files/85088406545.pdf
- https://cdn.shopify.com/s/files/1/0431/2327/7973/files/waled.pdf
- https://cdn.shopify.com/s/files/1/0430/9693/2505/files/35300202897.pdf
- https://cdn.shopify.com/s/files/1/0433/7539/4977/files/32430612591.pdf
- https://cdn.shopify.com/s/files/1/0428/8321/9619/files/runap.pdf
- https://cdn.shopify.com/s/files/1/0429/5933/9674/files/joxiwanaliloxa.pdf
- https://cdn.shopify.com/s/files/1/0433/0926/9156/files/gobemipudefibev.pdf
- https://cdn.shopify.com/s/files/1/0437/7932/6103/files/lubosufuketolipubojuxogit.pdf
- https://cdn.shopify.com/s/files/1/0428/6896/5532/files/kenurisew.pdf
- https://cdn.shopify.com/s/files/1/0440/3914/3574/files/lisufokalatuwafesolilowan.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_off00007f97.bin` `e530abcffa659c2737b0fe8c8a1023d7c0c5bd8915c97c1d87e573ba5a61aa5b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7F97	5084 bytes
`font_01_sfnt_off000090e8.bin` `51ebeec29509b87aa858d500e37ac8853184703d07d1f913ce36d8e1dc7764c0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x90E8	1800 bytes
`font_02_sfnt_off00009976.bin` `fd709b410a7cf9db3105bc297e05c93bc9b93003f698d14089900160bd039793`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9976	10636 bytes

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