MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains text suggesting it is a 'phone list template' and includes the malicious URL. The ML classifier also strongly indicated maliciousness. The primary attack vector appears to be a lure to a redirector that likely serves further 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.ru/pify?keyword=phone+list+template+microsoft+word
- http://xakageruk.annapolisrotaract.org/uploads/1/3/1/1/131164250/buragapudopaduxo.pdf
- http://files.bysamanthajo.net/uploads/1/3/2/6/132682899/begupolusise.pdf
- http://files.oldtel.com/uploads/1/3/1/4/131453316/3239411.pdf
- http://kikun.tools4changeseminar.com/uploads/1/3/1/6/131606617/julamidigupuw-zabexupasirixo-sapidasofewa.pdf
- https://cdn.shopify.com/s/files/1/0433/1307/0238/files/tubag.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/49816413057.pdf
- https://cdn.shopify.com/s/files/1/0440/1918/7862/files/international_paper_company_annual_report_2017.pdf
- https://cdn.shopify.com/s/files/1/0429/2008/3612/files/sejitezinevelasazuj.pdf
- https://cdn.shopify.com/s/files/1/0436/0955/5107/files/aldous_huxley_as_portas_da_percepo.pdf
- https://cdn.shopify.com/s/files/1/0437/6556/3549/files/fewofezevatad.pdf
- https://cdn.shopify.com/s/files/1/0433/6576/1176/files/48716071831.pdf
- https://cdn.shopify.com/s/files/1/0435/5204/7272/files/lokesowibososuxogekoxoneg.pdf
- https://cdn.shopify.com/s/files/1/0437/5173/5448/files/kaperuzutov.pdf
- https://cdn.shopify.com/s/files/1/0428/5513/7447/files/babolevapuruwevik.pdf
- https://cdn.shopify.com/s/files/1/0433/6956/2266/files/referencias_bibliograficas_apa_sexta_edicion.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_off00006f3b.bin7ea4f6a0efcb2da7e07b1736f43e7573532e5d4f2adb02cf3673dda19179c552 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F3B | 5488 bytes |
font_01_sfnt_off000081be.bin3b7235a87db9fc6cd32690109d6d8a7570c14300b98eaee0d2edc4141a2cf074 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81BE | 10440 bytes |
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