MALICIOUS
154
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 ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, appears to contain keywords related to development tutorials, suggesting a lure. The presence of multiple external PDF links, many hosted on Shopify, indicates a potential link farm or SEO manipulation tactic to distribute 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.com/pify?keyword=google+android+development+tutorial+pdf
- http://files.bryanbotterill.com/uploads/1/3/1/8/131856415/dfd00.pdf
- http://files.lakesidelabradors.com/uploads/1/3/0/7/130739778/12e86f.pdf
- http://files.interdisciplinaryexchanges.org/uploads/1/3/1/4/131453559/bc4a72e97481.pdf
- https://cdn.shopify.com/s/files/1/0434/0652/4583/files/15153476193.pdf
- https://cdn.shopify.com/s/files/1/0435/8812/4830/files/jolibakogel.pdf
- https://cdn.shopify.com/s/files/1/0436/2718/4281/files/wojulunu.pdf
- https://cdn.shopify.com/s/files/1/0432/7895/8758/files/bebetapijeresik.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/70339383958.pdf
- https://cdn.shopify.com/s/files/1/0432/1050/6404/files/gizag.pdf
- https://cdn.shopify.com/s/files/1/0431/8206/3777/files/76838977042.pdf
- https://cdn.shopify.com/s/files/1/0437/7634/4225/files/27815726962.pdf
- https://cdn.shopify.com/s/files/1/0427/9032/2335/files/lokefixir.pdf
- https://cdn.shopify.com/s/files/1/0431/5892/9570/files/47892676377.pdf
- https://cdn.shopify.com/s/files/1/0435/3140/3423/files/13416671519.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/
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/703393839
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009e6c.binda6abd3abbda96f838f288e55a213fda5de23e8c5ff19624aae37949b058f5f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E6C | 5156 bytes |
font_01_sfnt_off0000afef.bin38f86f257d7917be80f4fb9426c01de142df82abdd120c5756798d438ac53142 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFEF | 10516 bytes |
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