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 external PDF files, suggesting a link farm or SEO poisoning attempt. One critical heuristic identified a link to a known malicious redirector, 'https://ttraff.cc/pify?keyword=arrancame+la+vida+pdf+libro+completo', indicating a phishing or malware distribution lure. The document body, though heavily obfuscated, contains references to book downloads and the malicious redirector URL, reinforcing the phishing pretext.
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/pify?keyword=arrancame+la+vida+pdf+libro+completo
- http://files.covidchurchresources.com/uploads/1/3/0/8/130813667/rezolinajaka.pdf
- http://files.mountainheelmastiffs.com/uploads/1/3/1/4/131406082/387f0b265e59c93.pdf
- http://files.elianed.com/uploads/1/3/1/1/131164236/d701cdcb03d10a.pdf
- http://files.majestickilimanjaro.com/uploads/1/3/1/4/131453214/4436368.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/6551/5933/files/sijimigatijezekix.pdf
- https://cdn.shopify.com/s/files/1/0433/7709/8913/files/aveda_hair_color_charts.pdf
- https://cdn.shopify.com/s/files/1/0434/5305/5128/files/nunomomumifinobid.pdf
- https://cdn.shopify.com/s/files/1/0435/5653/6479/files/zodolunazuz.pdf
- https://cdn.shopify.com/s/files/1/0434/4669/8146/files/86918421989.pdf
- https://cdn.shopify.com/s/files/1/0437/9276/0994/files/golemaxufotinovopefuwewev.pdf
- https://cdn.shopify.com/s/files/1/0432/5618/4996/files/wigawewuvoliko.pdf
- https://cdn.shopify.com/s/files/1/0431/6335/3250/files/bikefofuvemowu.pdf
- https://cdn.shopify.com/s/files/1/0434/1478/2104/files/dalamuwixugokuxime.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_off00006cb2.bin0d41085eaea1af0932f574e154f5319a5291f1bc4e900ca1f1526c9cad10f943 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CB2 | 5312 bytes |
font_01_sfnt_off00007eb1.binf13d31642d5cead517dabe8f22ed8b7991f04ded956ae94a9f0599c35247c45c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EB1 | 11476 bytes |
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