MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text suggesting a lure related to 'medical english test pdf'. The presence of a malicious redirector link indicates an attempt to lead the user to a harmful destination. No scripts were extracted from this sample.
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.cc/pify?keyword=medical+english+test+pdf
- http://files.larryrevoirdotcom.com/uploads/1/3/1/6/131606668/3331499.pdf
- http://files.manchesterartistsbookfair.com/uploads/1/3/0/7/130775506/wuzakubonukipij_jinitudi.pdf
- http://files.drjeannewilson.com/uploads/1/3/2/6/132681392/40b53e0a3af5.pdf
- http://files.redbankpsych.com/uploads/1/3/1/4/131407823/1475724.pdf
- https://cdn.shopify.com/s/files/1/0430/2707/1130/files/xotarotadunig.pdf
- https://cdn.shopify.com/s/files/1/0428/1496/3868/files/goodreader_vs_expert_for_ipad.pdf
- https://cdn.shopify.com/s/files/1/0431/2930/7296/files/kansas_business_entity_search.pdf
- https://cdn.shopify.com/s/files/1/0434/9621/0598/files/zasesupajiwugokomigipaz.pdf
- https://cdn.shopify.com/s/files/1/0431/4100/5480/files/tuluk.pdf
- https://cdn.shopify.com/s/files/1/0432/7990/9030/files/44964766192.pdf
- https://cdn.shopify.com/s/files/1/0432/3999/7595/files/87690505266.pdf
- https://cdn.shopify.com/s/files/1/0440/1538/6774/files/banderas_de_todos_los_paises_del_mundo.pdf
- https://cdn.shopify.com/s/files/1/0438/2218/6656/files/xejexugij.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_off000062d5.bin5484eaa74fef28ee9ce30ba1cd740bdfeafbd663ef2d47a3b4a57a9ad87db767 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62D5 | 5324 bytes |
font_01_sfnt_off00007502.bin8dce9d793407559ba35c952d3d6a840302ebe9d1701967f29db6a1d6f9cb7444 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7502 | 10260 bytes |
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