MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with a critical heuristic identifying a link to known malicious redirector infrastructure at 'https://ttraff.com/pify?keyword=de+cero+a+uno+libro+pdf'. The ML classifier also strongly indicated maliciousness. This suggests the document's primary purpose is to redirect users to potentially harmful websites, likely for phishing or malware delivery.
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=de+cero+a+uno+libro+pdf
- http://files.artintheiron.com/uploads/1/3/1/4/131438557/sabokonex.pdf
- http://files.zsofia-opraszabo.com/uploads/1/3/1/4/131407164/5417010.pdf
- http://files.csungsf.org/uploads/1/3/0/7/130776487/769c4.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/2063/9646/files/tipeluzasipuvepeliv.pdf
- https://cdn.shopify.com/s/files/1/0430/7795/9833/files/84975471011.pdf
- https://cdn.shopify.com/s/files/1/0428/0755/8310/files/vamizeroki.pdf
- https://cdn.shopify.com/s/files/1/0432/7663/2214/files/bugafetugoja.pdf
- https://cdn.shopify.com/s/files/1/0431/6214/0840/files/77818918800.pdf
- https://cdn.shopify.com/s/files/1/0428/2161/5772/files/dajug.pdf
- https://cdn.shopify.com/s/files/1/0431/4100/5480/files/67033183714.pdf
- https://cdn.shopify.com/s/files/1/0431/0364/9954/files/66247341782.pdf
- https://cdn.shopify.com/s/files/1/0432/6624/4766/files/42290635177.pdf
- https://cdn.shopify.com/s/files/1/0431/2186/8960/files/17573339009.pdf
- https://cdn.shopify.com/s/files/1/0441/3577/6408/files/snow_white_and_the_seven_dwarfs_brothers_grimm.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_off00004ea0.bin85aacd86a186513e059a3bdf226f8fbd53923468fd266309560c4f44319bfa3e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4EA0 | 5112 bytes |
font_01_sfnt_off0000600e.binc86d1cb967c78a25473ee2a06df592ab89b6e6a746073dcb922a77c00fc6ae29 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x600E | 11180 bytes |
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