PDF malware analysis — malicious · 53244d68c7c3a9cf

MALICIOUS

PDF

47.2 KB Created: 2020-08-11 23:52:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 98fe1531c6518b1bcdc4cdf76361e92f SHA-1: 03ef80bc9040dbbdb53993ab496fbddf534f2938 SHA-256: 53244d68c7c3a9cf447b5e805cf72cd2e6cb4ba211c4632d631a6aa6cdeaa459

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link to a redirector URL, which is a common tactic for phishing or malware distribution. The document body, though heavily obfuscated, contains text related to 'Aadhar card form download', suggesting a lure to trick users into clicking the malicious link. The presence of numerous embedded links, many pointing to shopify domains, indicates a link farm strategy to obscure the ultimate destination.

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=aadhar+card+form+download+pdf+english
- http://files.yogaforbighearts.com/uploads/1/3/1/8/131856079/49f72c871d4.pdf
- http://files.davisonchurchofchrist.com/uploads/1/3/1/4/131437504/b82ba527406.pdf
- http://pisivutu.aidencampbell.com/uploads/1/3/2/6/132682989/wolobofezax.pdf
- http://files.biotechashok.com/uploads/1/3/0/7/130775484/5132416.pdf
- https://cdn.shopify.com/s/files/1/0437/5989/4689/files/15607510013.pdf
- https://cdn.shopify.com/s/files/1/0432/6545/8336/files/xegokabejojid.pdf
- https://cdn.shopify.com/s/files/1/0434/0105/2312/files/39299778452.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/99913566500.pdf
- https://cdn.shopify.com/s/files/1/0432/6119/8500/files/20408340994.pdf
- https://cdn.shopify.com/s/files/1/0439/4919/5419/files/julius_caesar_modern_translation.pdf
- https://cdn.shopify.com/s/files/1/0431/0971/2021/files/core_java_tutorial_javatpoint.pdf
- https://cdn.shopify.com/s/files/1/0435/4247/9000/files/vomulisegefoson.pdf
- https://cdn.shopify.com/s/files/1/0430/4902/5690/files/20770473688.pdf
- https://cdn.shopify.com/s/files/1/0431/4021/9041/files/jokofifusopunomowa.pdf
- https://cdn.shopify.com/s/files/1/0433/4374/1083/files/bufob.pdf
- https://cdn.shopify.com/s/files/1/0429/5085/2762/files/jofukubaxo.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_off000069e0.bin` `615b177bf47b48b2882361b5f070d739ace1e7e4f4b61a749bc518364a60546e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x69E0	5652 bytes
`font_01_sfnt_off00007d03.bin` `d73a1ad460487d864a63001fbc685a88514ff49797199f91e5b5ebe88586b673`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7D03	8756 bytes
`font_02_sfnt_off00009b2c.bin` `e7fbe84804d2d504812c552fe00888becc4ecaf0fa937d8ed108372d054cf7ab`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9B2C	5776 bytes

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