MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to a link farm hosted on ttraff.com, which is known malicious redirector infrastructure. The document body text, though heavily obfuscated, contains a reference to 'Google calendar 2019' and the malicious URL, suggesting a lure to trick users into clicking on the links. The presence of numerous PDF links indicates a link farm strategy to distribute malicious content or traffic.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne 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=google+calendar+2019
- http://files.joybloomsatlanta.com/uploads/1/3/1/4/131483685/8738896.pdf
- http://files.pameladvorakblog.com/uploads/1/3/0/7/130739974/lotozabemib.pdf
- http://fisasemu.gingersnapsapparel.com/uploads/1/3/1/8/131856602/b30b199509786.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0464/6374/6200/files/collectible_barbies_value_guide.pdf
- https://cdn.shopify.com/s/files/1/0431/6240/2965/files/algebraic_expressions_for_class_6_worksheets_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0427/6423/9014/files/92457288428.pdf
- https://cdn.shopify.com/s/files/1/0431/3684/3933/files/vubugajejalafa.pdf
- https://cdn.shopify.com/s/files/1/0433/9879/1322/files/fogewifakugobipefej.pdf
- https://cdn.shopify.com/s/files/1/0430/4021/1105/files/futeduxigamiwotaturiwaz.pdf
- https://cdn.shopify.com/s/files/1/0430/0885/2117/files/noboduxiwemalip.pdf
- https://cdn.shopify.com/s/files/1/0434/9604/6752/files/vorawusaluwimowoluviwujof.pdf
- https://cdn.shopify.com/s/files/1/0428/3806/5319/files/juxez.pdf
- https://cdn.shopify.com/s/files/1/0429/1490/6279/files/manual_blood_pressure_cuff_calibration.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006238.binacef1d87f3332cd60a69ab1ffe22b6617c9365c9971da4a50bc4bf4325e64a01 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6238 | 5444 bytes |
font_01_sfnt_off000074ca.bin2a8795314a4601338cb36dafdf2d3a30e9583b417146cf637be5fd73e1c2be42 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74CA | 10316 bytes |
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