MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains multiple embedded links, with a critical heuristic firing for a link to known malicious redirector infrastructure. The document body, though partially corrupted, contains text related to 'Allan gray namibia balanced fund fact sheet' and the wkhtmltopdf application, suggesting a lure. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm designed to obscure the malicious redirector. The ML classifier strongly supports the malicious nature of this PDF.
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=allan+gray+namibia+balanced+fund+fact+sheet
- http://files.vickijettterry.com/uploads/1/3/1/4/131454556/5616c5e5.pdf
- http://gibubob.nicolezeng.com/uploads/1/3/1/4/131453526/4402364.pdf
- http://files.customerfocusedlearning.com/uploads/1/3/0/7/130738814/bavajesapamukogobos.pdf
- https://cdn.shopify.com/s/files/1/0447/4486/7994/files/elementary_statistics_william_navidi.pdf
- https://cdn.shopify.com/s/files/1/0437/1687/0309/files/35061719420.pdf
- https://cdn.shopify.com/s/files/1/0427/6987/5111/files/gikovojubojetefikerar.pdf
- https://cdn.shopify.com/s/files/1/0435/1095/6196/files/redabiravek.pdf
- https://cdn.shopify.com/s/files/1/0432/9432/6942/files/30734206025.pdf
- https://cdn.shopify.com/s/files/1/0439/7993/1806/files/numeros_em_ingles_exercicios.pdf
- https://cdn.shopify.com/s/files/1/0429/0691/0887/files/59726009201.pdf
- https://cdn.shopify.com/s/files/1/0432/9019/8180/files/o_reilly_advanced_python_programming.pdf
- https://cdn.shopify.com/s/files/1/0432/1660/1249/files/zajifugexolapeg.pdf
- https://cdn.shopify.com/s/files/1/0434/7281/4245/files/pathfinder_bestiary_pawns.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_off000040f3.bin494a7071adc9134c0242b08f780443244a36b7eb58ff48d7f4e8884029b2f050 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x40F3 | 5668 bytes |
font_01_sfnt_off0000540e.bin6f6b168b3535f54cfda90a11d541139a94347ea7055aa9f31ea5fda2e1b0f553 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x540E | 10028 bytes |
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