MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to external resources, including a known malicious redirector. The document body, though partially garbled, suggests a lure related to a 'Bluetooth keyboard app for android tablet', likely intended to trick users into clicking the malicious links. The ML classifier strongly indicates maliciousness.
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=bluetooth+keyboard+app+for+android+tablet
- http://puxigi.riverrivalwretling.org/uploads/1/3/1/3/131380485/tavaguxawana-lololemupupozot-luwodisudekuzug-tubifinol.pdf
- http://files.cozykidsembroidery.com/uploads/1/3/1/4/131409170/ninebafakafekip.pdf
- http://worad.sunnybrookranch.com/uploads/1/3/2/7/132712336/44d88f228f04b.pdf
- http://files.rusticdesignsflowerfarm.com/uploads/1/3/0/7/130775997/femojiwotefa.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/9095/8749/files/semafopizu.pdf
- https://cdn.shopify.com/s/files/1/0434/1573/2381/files/appointment_letter_format_for_marketing_executive.pdf
- https://cdn.shopify.com/s/files/1/0430/7278/2489/files/36269644949.pdf
- https://cdn.shopify.com/s/files/1/0440/6483/3686/files/43543379465.pdf
- https://cdn.shopify.com/s/files/1/0429/1733/1100/files/likovijijifisawunetemujam.pdf
- https://cdn.shopify.com/s/files/1/0459/9155/9327/files/casio_illuminator_alarm_chrono_manual.pdf
- https://cdn.shopify.com/s/files/1/0433/9790/6589/files/hydraulic_accumulator_circuit.pdf
- https://cdn.shopify.com/s/files/1/0429/7218/4732/files/daxavuxululanonituro.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000061d3.bindc34832a8117023fa6745bc801038df5e4b9d7a1b32559e458fb07e8b01e05a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61D3 | 5308 bytes |
font_01_sfnt_off000073e2.bin5bd6635631d18f7d41931a7db61e423c86580e842a94baf9ea5676fcb862599f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73E2 | 10040 bytes |
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