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 known malicious redirector infrastructure at 'ttraff.com'. The document body, though heavily obfuscated, contains text related to a dictionary and URLs, suggesting a lure to a malicious site. The ML classifier strongly flagged this PDF as malicious, and heuristics indicate it's a link farm designed to redirect users.
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=bicol+tagalog+dictionary+pdf
- http://files.prssasdsu.com/uploads/1/3/1/8/131856991/441816.pdf
- http://files.uofttalks.ca/uploads/1/3/1/4/131453429/2382ace.pdf
- http://files.huemine.com/uploads/1/3/2/6/132695994/1ccac.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/9097/5647/files/jazesufefamemiwu.pdf
- https://cdn.shopify.com/s/files/1/0440/9442/3192/files/71324223041.pdf
- https://cdn.shopify.com/s/files/1/0437/1313/4757/files/25267965197.pdf
- https://cdn.shopify.com/s/files/1/0430/4253/7629/files/causes_and_effects_of_overpopulation.pdf
- https://cdn.shopify.com/s/files/1/0434/8834/6262/files/bomuvobezuvi.pdf
- https://cdn.shopify.com/s/files/1/0430/3601/6802/files/29369326769.pdf
- https://cdn.shopify.com/s/files/1/0437/7057/7045/files/drastic_ds_emulator_aptoide.pdf
- https://cdn.shopify.com/s/files/1/0433/6871/0294/files/ski_santa_fe_weather.pdf
- https://cdn.shopify.com/s/files/1/0433/9807/0426/files/kogotuwunazub.pdf
- https://cdn.shopify.com/s/files/1/0431/7331/4715/files/ravoropupapive.pdf
- https://cdn.shopify.com/s/files/1/0440/1322/4094/files/19220303767.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_off000061da.bin74fc06387727d3f3191c4b5f1e4625f55d61750494f9689434f39065384c31fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61DA | 5296 bytes |
font_01_sfnt_off000073fb.binb99fb7cbad2fe82ac648504736904ed0a408fa5d80e0c5d5838cd4d8ff1b5553 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73FB | 10372 bytes |
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