MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, disguised as an academic worksheet. This heuristic, combined with the PDF being flagged by an ML classifier, indicates a high likelihood of malicious intent. The document body itself contains the primary malicious URL and numerous other links, likely part of a link farm to obscure the malicious destination.
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.link/wix?keyword=completing+square+method+worksheet
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0462/3489/4496/files/college_event_templates_free.pdf
- https://cdn.shopify.com/s/files/1/0434/1887/8117/files/voxovegerekexakeku.pdf
- https://cdn.shopify.com/s/files/1/0435/2416/1704/files/cms_billing_guidelines_2018.pdf
- https://cdn.shopify.com/s/files/1/0433/3728/5797/files/jazuge.pdf
- https://static.usrfiles.com/ugd/938c70_710e3127123d42f59727498d5cb341f0.pdf
- https://static.usrfiles.com/ugd/38bf1f_3ae5798ab4654d339fb7f906692141a9.pdf
- https://cdn.shopify.com/s/files/1/0469/0273/9104/files/lewikokeduta.pdf
- https://cdn.shopify.com/s/files/1/0440/7423/8102/files/english_grammar_in_use_supplementary_exercises.pdf
- https://cdn.shopify.com/s/files/1/0431/7170/9079/files/fomajamezisarigateb.pdf
- https://cdn.shopify.com/s/files/1/0427/5562/1031/files/96698382283.pdf
- https://cdn.shopify.com/s/files/1/0431/1639/6695/files/apologize_justin_timberlake_piano_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0431/4061/2262/files/lufikeferegaridopume.pdf
- https://cdn.shopify.com/s/files/1/0430/5187/6509/files/40583359266.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_off00005e53.bin6fed7de1e51db8074d37d283b0be7c00e2e83657086d20556d568b327e358afb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E53 | 5560 bytes |
font_01_sfnt_off0000710f.bin88c0277ec75258d159c4de463bc71e169d175e00994a34e2a180cece1a06c6ba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x710F | 10612 bytes |
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