MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a mass of external links, including a critical redirector link to 'ttraff.cc', indicating a link farm or phishing attempt. The document body, though heavily obfuscated, contains the text 'Phrasal verbs lista y significado pdf' and the malicious URL, suggesting a lure to trick users into clicking malicious links. The ML classifier strongly supports the malicious verdict.
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/wb?keyword=phrasal%20verbs%20lista%20y%20significado%20pdf
- http://files.nancysniftynotes.com/uploads/1/3/0/7/130775277/9649648.pdf
- http://jedewet.shadowsoftheparanormal.com/uploads/1/3/0/9/130969204/batoge_gepesavagofa_juwadexefidozi_fowefarewukame.pdf
- http://files.thel14.com/uploads/1/3/0/9/130968921/4682268.pdf
- https://cdn.shopify.com/s/files/1/0432/3747/4466/files/87985977857.pdf
- https://cdn.shopify.com/s/files/1/0429/9302/5183/files/startup_budget_template.pdf
- https://cdn.shopify.com/s/files/1/0438/0455/7472/files/sunodivezafofatus.pdf
- https://cdn.shopify.com/s/files/1/0434/0629/5201/files/vatafobupozos.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/61238086127.pdf
- https://cdn.shopify.com/s/files/1/0448/8734/3271/files/sekonezivixuwajag.pdf
- https://cdn.shopify.com/s/files/1/0433/2247/4651/files/fonegipujozarivujo.pdf
- https://cdn.shopify.com/s/files/1/0437/4590/2746/files/xoweradililuxeb.pdf
- https://cdn.shopify.com/s/files/1/0430/5489/1161/files/ford_8n_parts.pdf
- https://cdn.shopify.com/s/files/1/0432/6581/8790/files/spring_framework_4_download.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_off000055e1.bin283dcc61e7281f66a653c2d339f8e6d6e94db8d412f25a69500fa6eff1314ca5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x55E1 | 5720 bytes |
font_01_sfnt_off0000694e.bin5d1d67931c4ea418190709401b3c76762dabf2e65b1b0664b03ffc63ff777883 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x694E | 11264 bytes |
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