MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The ML classifier strongly flagged this PDF as malicious, and the presence of a link farm further suggests malicious intent. The document body, though heavily obfuscated, contains a URL that appears to be part of the malicious infrastructure.
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.cc/wix?keyword=action+verbs+images+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/625844_95da6ab20c7d4afc932d760968c72161.pdf
- https://static.usrfiles.com/ugd/b8c837_23fd4484a92a4616b0e93462d91a9c37.pdf
- https://static.usrfiles.com/ugd/704566_9ef4a822e87543adbd7cc0cadddb034c.pdf
- https://static.usrfiles.com/ugd/2274a7_f979971b29ad4b1d841cea32e53656df.pdf
- https://cdn.shopify.com/s/files/1/0437/7768/7706/files/guitar_chord_exercises_for_beginners.pdf
- https://cdn.shopify.com/s/files/1/0431/6535/2095/files/zixebamezudipukazaweluwet.pdf
- https://cdn.shopify.com/s/files/1/0436/6050/9337/files/45759691750.pdf
- https://cdn.shopify.com/s/files/1/0433/7496/8986/files/the_book_of_the_courtier_baldassare_castiglione.pdf
- https://cdn.shopify.com/s/files/1/0434/4181/5718/files/blackberry_picking_poem.pdf
- https://cdn.shopify.com/s/files/1/0436/3619/5488/files/pogeniwatatozufo.pdf
- https://static.usrfiles.com/ugd/b8c837_165fb73706fe412c814ff61381b9a175.pdf
- https://static.usrfiles.com/ugd/221f3a_9e8f8ead8ee047bdad974a0f6178ab0d.pdf
- https://static.usrfiles.com/ugd/a59130_5324d1f918a94c97b8a3599783ccb9ba.pdf
- https://static.usrfiles.com/ugd/b8c837_63cfe6ccbf0f42599e0f28bc976ac1af.pdf
- https://static.usrfiles.com/ugd/b8c837_1184f9f3fe86435aa291defcad351a0d.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_off000056ba.bin43d5f0477e2cfde16bee58c6a6990244ea51f9f6d505b235ea09a89aa973695b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x56BA | 5632 bytes |
font_01_sfnt_off000069be.bin2d323a60d659063b2d24b4431fd57faac461e351de2b1febdc536a6fa1823d05 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69BE | 10268 bytes |
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