MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.com, which is likely intended to lead the user to a phishing or malware distribution site. The document body, though heavily obfuscated, contains the text "Reingenieria de software" and the malicious URL, suggesting a social engineering lure. The presence of a large number of external PDF links also indicates a link farm, a common tactic for SEO poisoning or distributing malicious content.
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=reingenieria+de+software
- http://files.colacotwayartstrail.com/uploads/1/3/2/6/132681378/jefamixizo-zejexelelovezid.pdf
- http://totulo.jphono1.com/uploads/1/3/0/8/130814328/9885746.pdf
- http://files.mckevlins.com/uploads/1/3/1/3/131379718/1430219.pdf
- http://files.ruthstoneartist.com/uploads/1/3/1/8/131858540/fidudulavamuvu_nudijerori_zozonaxogo.pdf
- https://cdn.shopify.com/s/files/1/0432/8954/2809/files/31079270118.pdf
- https://cdn.shopify.com/s/files/1/0431/7508/4193/files/eros_guide_las_vegas.pdf
- https://cdn.shopify.com/s/files/1/0431/0256/8599/files/hasmonean_dynasty.pdf
- https://cdn.shopify.com/s/files/1/0432/2341/6995/files/sewabulaje.pdf
- https://cdn.shopify.com/s/files/1/0438/3745/6534/files/78541344187.pdf
- https://cdn.shopify.com/s/files/1/0433/7850/7934/files/87176873869.pdf
- https://cdn.shopify.com/s/files/1/0438/8130/0123/files/kaiapoi_weather_report.pdf
- https://cdn.shopify.com/s/files/1/0429/6772/8281/files/58132823150.pdf
- https://cdn.shopify.com/s/files/1/0433/4062/8120/files/vofojetizoxudarawodoj.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/
- https://cdn.shopify.com/s/files/1/0433/7850/7934/files/871
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005fc6.bine5c3babe7846ef8c4be2560f095df7d479ca7f579c43c0dc1b470603a7395e18 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FC6 | 5140 bytes |
font_01_sfnt_off00007162.bin43f5e1a136318dc9ae2877d255cade8406c71739d05e185c8d57e80a4a8fe7c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7162 | 9636 bytes |
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