MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to malicious infrastructure, specifically a URL designed to lure users with a medical keyword. The ML classifier strongly indicates maliciousness, and the presence of numerous external links suggests a link farm or SEO poisoning tactic to distribute malicious content. No scripts were extracted, but the primary attack vector appears to be social engineering via a deceptive document.
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=acidosis+metabolica+en+recien+nacidos+pdf
- http://files.cantornote.com/uploads/1/3/2/8/132814977/vobuwadefi.pdf
- http://tedevibaj.houseofkshop.com/uploads/1/3/1/3/131380160/fukob-lanivawiz-ruzapoma-duweluguv.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/7275/6648/files/52759659527.pdf
- https://cdn.shopify.com/s/files/1/0433/7532/9441/files/foxowubikakosozarebova.pdf
- https://cdn.shopify.com/s/files/1/0429/3420/6631/files/78506136143.pdf
- https://cdn.shopify.com/s/files/1/0434/3191/9765/files/19074331558.pdf
- https://cdn.shopify.com/s/files/1/0430/0891/7657/files/nazunelagu.pdf
- https://cdn.shopify.com/s/files/1/0437/8660/0597/files/14713512801.pdf
- https://cdn.shopify.com/s/files/1/0433/7188/8803/files/mirabexobugakep.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86593634255.pdf
- https://cdn.shopify.com/s/files/1/0443/8881/0918/files/digi_key_paypal.pdf
- https://cdn.shopify.com/s/files/1/0440/2518/4421/files/deguxa.pdf
- https://cdn.shopify.com/s/files/1/0431/2986/4343/files/prentice_hall_chemistry_textbook_answers.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_off00007f35.bin252d9280528b058b9b54abdc77b97c3d45d821517ea5374c0bc9f25dfb0c9fbe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F35 | 5432 bytes |
font_01_sfnt_off00009184.bin676d7e1f15c3b49b68f1a4b7858131f8b5996bee5417ec5685853ae119824104 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9184 | 13916 bytes |
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