MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF was flagged as malicious due to its extensive use of external links, with one pointing to a known malicious redirector. The document body contains numerous URLs, suggesting a link farm designed to lure users to potentially harmful sites. The presence of embedded URLs and the ML classifier's high confidence score further support the malicious classification.
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=canal+atrioventricular+comun+pdf
- http://files.coechurchofchrist.net/uploads/1/3/0/7/130738943/ba57c3.pdf
- http://reluvuz.artpourparties.com/uploads/1/3/1/4/131437044/jobunupenabojatew.pdf
- http://files.danieldiazvidal.com/uploads/1/3/2/7/132740250/2185199.pdf
- http://files.wageningenstudentfarm.nl/uploads/1/3/0/7/130740438/dibarukidegurirodafe.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/5378/3957/files/lasopibinakun.pdf
- https://cdn.shopify.com/s/files/1/0432/7748/4196/files/guild_wars_2_arcdps.pdf
- https://cdn.shopify.com/s/files/1/0437/7283/8039/files/nevesutiridaz.pdf
- https://cdn.shopify.com/s/files/1/0435/1708/3803/files/dejovilagelubeguzuvemuvo.pdf
- https://cdn.shopify.com/s/files/1/0430/6108/4322/files/crazy_frog_piano_notes.pdf
- https://cdn.shopify.com/s/files/1/0430/3349/3655/files/ririxorozarik.pdf
- https://cdn.shopify.com/s/files/1/0433/4646/0830/files/85924246244.pdf
- https://cdn.shopify.com/s/files/1/0434/0776/9750/files/rajigob.pdf
- https://cdn.shopify.com/s/files/1/0429/9754/7157/files/75914286336.pdf
- https://cdn.shopify.com/s/files/1/0430/6858/8194/files/onyxia_s_lair_entrance.pdf
- https://cdn.shopify.com/s/files/1/0429/8863/4263/files/desumubepuve.pdf
- https://cdn.shopify.com/s/files/1/0433/6189/4565/files/91090683018.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_off000072eb.binda750feaefc59020c483b119265555d9b090f8412779fcd54c9b81db2d8f1ce4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72EB | 5088 bytes |
font_01_sfnt_off00008427.bin5c6ed8b2e367e78e6a44f078ab37802df02a56df32cc9112278bc1a8e9e0b719 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8427 | 10240 bytes |
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