MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to known malicious redirector infrastructure at "ttraff.com". The document body, though heavily obfuscated, contains the title "Genetic code worksheet pdf" and the malicious URL, suggesting a lure to a phishing or malware distribution site. The ML classifier strongly supports the malicious verdict.
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=genetic+code+worksheet+pdf
- http://files.blakehereth.com/uploads/1/3/2/6/132682295/magedimuzazuvuso.pdf
- http://files.brianmuirvadersculptor.com/uploads/1/3/0/7/130775085/4872734.pdf
- http://files.analogi.us/uploads/1/3/2/6/132682970/vadotowe.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tutokufumetuja.pdf
- https://cdn.shopify.com/s/files/1/0432/1234/1412/files/7853468632.pdf
- https://cdn.shopify.com/s/files/1/0429/9204/2137/files/bifupena.pdf
- https://cdn.shopify.com/s/files/1/0429/6127/2995/files/access_iff_statement.pdf
- https://cdn.shopify.com/s/files/1/0430/5446/5175/files/xatutaperutikaxofolemo.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/sejil.pdf
- https://cdn.shopify.com/s/files/1/0434/9041/0658/files/juvop.pdf
- https://cdn.shopify.com/s/files/1/0431/4536/3610/files/1940271745.pdf
- https://cdn.shopify.com/s/files/1/0429/7667/3946/files/67955895002.pdf
- https://cdn.shopify.com/s/files/1/0434/0944/0933/files/different_types_of_phobias_psychology.pdf
- https://cdn.shopify.com/s/files/1/0431/4575/6821/files/49773011235.pdf
- https://cdn.shopify.com/s/files/1/0432/9167/2736/files/gogijejevolideb.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_off000067bb.binca75cbba3c92951b3891b074b6fbd976efb1201cc8b8aa4e4fdcc9367ad4dbe2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67BB | 5188 bytes |
font_01_sfnt_off0000797d.bin653cc3ff902fe1fd25a21272cb3d8854fffb865de8421a6c5615fdf69d4215db |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x797D | 10404 bytes |
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