MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
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 corrupted, suggests a lure related to 'number theory project topics'. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM strongly indicate a malicious intent to redirect users to potentially harmful sites. The ML classifier also flagged this PDF with high confidence.
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=number+theory+project+topics+pdf
- http://jujopa.intrinsictheatrecompany.com/uploads/1/3/0/7/130739590/6778859.pdf
- http://vipuxike.candlesbybarwick.com/uploads/1/3/0/7/130739732/10978cdf3e.pdf
- http://files.vox.vet/uploads/1/3/0/7/130776483/purojawoduwevede.pdf
- https://cdn.shopify.com/s/files/1/0439/1793/4747/files/34140113392.pdf
- https://cdn.shopify.com/s/files/1/0432/6300/0734/files/mulasubakoluxitabunudepo.pdf
- https://cdn.shopify.com/s/files/1/0439/3772/6622/files/linfoma_de_burkitt.pdf
- https://cdn.shopify.com/s/files/1/0432/9055/8622/files/dinewurenorezimub.pdf
- https://cdn.shopify.com/s/files/1/0427/9923/5228/files/luvikumefoporedufa.pdf
- https://cdn.shopify.com/s/files/1/0430/6753/9623/files/32729379467.pdf
- https://cdn.shopify.com/s/files/1/0433/8447/1719/files/89843335294.pdf
- https://cdn.shopify.com/s/files/1/0434/5279/2982/files/92255133457.pdf
- https://cdn.shopify.com/s/files/1/0431/2137/7434/files/storm_in_a_teacup_physics_of_everyday_life.pdf
- https://cdn.shopify.com/s/files/1/0452/4526/8128/files/40876679817.pdf
- https://cdn.shopify.com/s/files/1/0432/2692/3172/files/49921668067.pdf
- https://cdn.shopify.com/s/files/1/0432/5031/9528/files/lexibapilejezis.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_off00006db6.bin51cb2b12bcd587575ba22b77ea95b656b9721401113d1b61469ab8cf7da7a5db |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DB6 | 5440 bytes |
font_01_sfnt_off00008026.bin38753fe7f7d3b408c664077c9c5d17c12298a953242757f87f785c968a561cac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8026 | 9964 bytes |
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