MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link that redirects to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body text and embedded URLs suggest a lure for free CAD files, which is a common tactic for phishing or malware delivery. The PDF_SEO_LINK_FARM heuristic indicates a large number of external links, further supporting the malicious intent of directing users to external sites. The ML classifier also strongly flagged this PDF as malicious.
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=free+2d+cad+files
- http://durezuri.iowamedicalpartners.org/uploads/1/3/0/7/130739602/eb4752600.pdf
- http://files.leabusewingcenter.com/uploads/1/3/1/6/131606291/5c1102c469.pdf
- http://wafub.carterschultz.com/uploads/1/3/1/3/131398140/7b158528.pdf
- https://cdn.shopify.com/s/files/1/0434/6262/3397/files/ameloblastoma_review.pdf
- https://cdn.shopify.com/s/files/1/0437/5222/6974/files/zimojazax.pdf
- https://cdn.shopify.com/s/files/1/0433/9626/8193/files/best_chat_platform_on_android.pdf
- https://cdn.shopify.com/s/files/1/0434/7658/2552/files/nabibepob.pdf
- https://cdn.shopify.com/s/files/1/0437/5022/8119/files/iis_application_request_routing_arr.pdf
- https://cdn.shopify.com/s/files/1/0433/2224/5273/files/amar_chitra_katha_free.pdf
- https://cdn.shopify.com/s/files/1/0437/1241/3847/files/54156904263.pdf
- https://cdn.shopify.com/s/files/1/0433/6661/3141/files/pancreatitis_alcoholica.pdf
- https://cdn.shopify.com/s/files/1/0434/2710/2887/files/bisewuxek.pdf
- https://cdn.shopify.com/s/files/1/0439/3182/8379/files/habanera_carmen_partitura_piano.pdf
- https://cdn.shopify.com/s/files/1/0433/4652/6361/files/barfi_full_movie_hd_free.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_off00005493.bin8c9f06493032d6c1b769f8c0df705eee5e9d101b5a88b9e223503d6c9a67d350 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5493 | 5104 bytes |
font_01_sfnt_off000065f7.bin3f19ffd2174f7b469caf4440a97cc31ab9366c73871da5b96dfcfc8f66352f5d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65F7 | 10184 bytes |
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