MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links, with one specifically identified as a malicious redirector. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' and the ML classifier strongly indicate malicious intent. The document body, though partially corrupted, contains the URL 'https://ttraff.ru/pify?keyword=aprende+a+leer+con+pipo+pdf', which is likely the initial lure. The presence of numerous other PDF links suggests a link farm or a method to obscure the true destination.
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.ru/pify?keyword=aprende+a+leer+con+pipo+pdf
- http://files.10-yranch.com/uploads/1/3/1/1/131163492/6560581.pdf
- http://files.upgradedcomputers.com/uploads/1/3/1/0/131070560/03d0d8.pdf
- http://files.hihco.org/uploads/1/3/0/7/130776481/df646db.pdf
- https://cdn.shopify.com/s/files/1/0438/3247/5798/files/baarish_yaariyan_full_song_pagalworld.pdf
- https://cdn.shopify.com/s/files/1/0428/5746/3971/files/latupolal.pdf
- https://cdn.shopify.com/s/files/1/0429/7100/5082/files/pagunameb.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/34993807018.pdf
- https://cdn.shopify.com/s/files/1/0464/6364/7912/files/pakos.pdf
- https://cdn.shopify.com/s/files/1/0434/1478/2104/files/92980795416.pdf
- https://cdn.shopify.com/s/files/1/0429/1405/4300/files/94162549896.pdf
- https://cdn.shopify.com/s/files/1/0452/1954/5245/files/alere_filariasis_test_strip.pdf
- https://cdn.shopify.com/s/files/1/0427/6515/6508/files/77176961271.pdf
- https://cdn.shopify.com/s/files/1/0437/2814/2501/files/sscnr_cgl_answer_key.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000051d5.bin569d71e8792ea3a874a7da66e7eca5587bcf55dd8bda3bcd2e54d89991ca7531 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x51D5 | 4960 bytes |
font_01_sfnt_off000062ba.bin5bd1fec2990577d843423163bb90b6062c1cd2025f89a03ac2a315ccbb4341c4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62BA | 10616 bytes |
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