MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure for an 'LSE reading list guide'. The presence of a malicious redirector suggests the intent is to lead the user to a site that will likely deliver a secondary payload or initiate a phishing attempt.
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=lse+reading+list+guide
- http://kepomoko.iacela.com/uploads/1/3/1/4/131437402/422b40f5b9.pdf
- http://files.pathfindersrus.com/uploads/1/3/0/9/130968949/c3ab19.pdf
- http://nusap.jacindaaytchillustration.com/uploads/1/3/1/1/131163653/1094056.pdf
- http://rabamor.conniecosbystewart.com/uploads/1/3/1/4/131438111/aae7b098d04.pdf
- https://cdn.shopify.com/s/files/1/0430/2739/8807/files/bilurixatulu.pdf
- https://cdn.shopify.com/s/files/1/0431/4637/9426/files/aci_sp_4_formwork_for_concrete.pdf
- https://cdn.shopify.com/s/files/1/0428/1873/2191/files/93458580944.pdf
- https://cdn.shopify.com/s/files/1/0428/0185/6668/files/input_mapper_download.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/46676539889.pdf
- https://cdn.shopify.com/s/files/1/0434/6645/7254/files/kinufasipe.pdf
- https://cdn.shopify.com/s/files/1/0444/0319/6070/files/voicemeeter_banana_echo.pdf
- https://cdn.shopify.com/s/files/1/0432/9465/4632/files/41485763014.pdf
- https://cdn.shopify.com/s/files/1/0430/1104/7575/files/14477370850.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_off0000b430.bin75d2e7aa6a7276b1ba09722ab532e447a805ea64dd4a26806b716058cb7b3ad9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB430 | 4936 bytes |
font_01_sfnt_off0000c4ff.binf0621812f96d533eb2ea5dda12f7bb502797d0b4c77a898631ef99cbb8aad59e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4FF | 10120 bytes |
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