MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, specifically `https://ttraff.cc/pify?keyword=demonstrative+pronouns+worksheet+grade+10`. This link is embedded within the document body, disguised as an educational worksheet. The PDF also exhibits characteristics of a link farm, with numerous embedded links pointing to external resources, many of which are hosted on Shopify. 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/pify?keyword=demonstrative+pronouns+worksheet+grade+10
- http://files.claudelafleur.com/uploads/1/3/0/8/130874180/wimibasa.pdf
- http://limuxe.unityofstockton.org/uploads/1/3/0/7/130776677/b80ce4e024.pdf
- http://lajivelap.artebom.com/uploads/1/3/2/6/132696067/3972911.pdf
- https://cdn.shopify.com/s/files/1/0430/7651/8049/files/wulopitesowurok.pdf
- https://cdn.shopify.com/s/files/1/0433/3476/2664/files/15202080403.pdf
- https://cdn.shopify.com/s/files/1/0430/2897/1681/files/piwesowerezowa.pdf
- https://cdn.shopify.com/s/files/1/0428/2348/3548/files/70469493176.pdf
- https://cdn.shopify.com/s/files/1/0432/5851/1510/files/descargar_diccionario_biblico_gratis.pdf
- https://cdn.shopify.com/s/files/1/0430/1075/2663/files/26944830581.pdf
- https://cdn.shopify.com/s/files/1/0433/0101/1614/files/69321366579.pdf
- https://cdn.shopify.com/s/files/1/0433/0392/7973/files/miwexovipuvelap.pdf
- https://cdn.shopify.com/s/files/1/0429/8558/6849/files/bulbul_song_asomi.pdf
- https://cdn.shopify.com/s/files/1/0434/1055/5041/files/advanced_sql_queries_examples_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0434/4968/0028/files/kigewipufarexamu.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_off00005e4a.bin4926eea56e51c9d6e9be055d59a5b02ecbc4ba8a262241c3b7f2cc7e115b0b41 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E4A | 5748 bytes |
font_01_sfnt_off000071d7.bin97b14abbd475b74f07fb699c50895d4872e92af9d87f94cf82850de7e3a1f177 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71D7 | 10104 bytes |
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