MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, including one pointing to a known malicious redirector, ttraff.com. The document body, though partially obfuscated, suggests a lure related to educational materials to entice users to click the malicious link. The presence of embedded URLs and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful 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=simultaneous+equations+worksheet+with+answers+tes
- http://files.happycampercocktailco.com/uploads/1/3/1/6/131606431/latijumem_pokazudesome_suzasusatug_zadal.pdf
- http://files.deannaheathrealty.com/uploads/1/3/1/4/131437423/fa88075e65d.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/3517/2770/files/apocryphon_of_john_download.pdf
- https://cdn.shopify.com/s/files/1/0431/5018/0503/files/87026268393.pdf
- https://cdn.shopify.com/s/files/1/0434/4912/2972/files/data_warehouse_design.pdf
- https://cdn.shopify.com/s/files/1/0429/7572/3673/files/xajozowofewodidorikudiz.pdf
- https://cdn.shopify.com/s/files/1/0430/1268/5977/files/34472747875.pdf
- https://cdn.shopify.com/s/files/1/0429/3355/1260/files/disociacion_auriculoventricular.pdf
- https://cdn.shopify.com/s/files/1/0427/6820/3942/files/88404807654.pdf
- https://cdn.shopify.com/s/files/1/0431/0610/7552/files/povariganazeni.pdf
- https://cdn.shopify.com/s/files/1/0435/4523/1515/files/14897386078.pdf
- https://cdn.shopify.com/s/files/1/0432/8423/4398/files/89326109448.pdf
- https://cdn.shopify.com/s/files/1/0431/1334/9273/files/27438854869.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004301.bin4088c1add45415dfd6b904fc7e11282cf6b61350fa5173071f4bf037def676e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4301 | 5308 bytes |
font_01_sfnt_off000054ee.bin606378a3e4280cec2d0ab480fd751477d3b9ba3da47d75fe7de382832878f052 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x54EE | 9292 bytes |
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