MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a significant number of embedded links, many of which point to a redirector service known for malicious activity. The document body, though obfuscated, contains a URL that matches the redirector, suggesting an attempt to lure users to malicious content. The ML classifier also strongly indicated maliciousness.
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.ru/pify?keyword=worksheet+1.+3+vector+addition+answers
- http://files.createlemonade.ca/uploads/1/3/1/4/131438477/latiluw-garizejen-befodanew.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/5276/0224/files/18627232532.pdf
- https://cdn.shopify.com/s/files/1/0428/8492/3555/files/assessment_strategies_and_practices.pdf
- https://cdn.shopify.com/s/files/1/0433/2093/4558/files/61356316705.pdf
- https://cdn.shopify.com/s/files/1/0431/3251/8549/files/tabikerumo.pdf
- https://cdn.shopify.com/s/files/1/0435/3510/6203/files/37530911026.pdf
- https://cdn.shopify.com/s/files/1/0432/5657/8212/files/why_does_my_mouse_keep_disconnecting.pdf
- https://cdn.shopify.com/s/files/1/0461/6683/5352/files/vozomigawofagagewaxulipo.pdf
- https://cdn.shopify.com/s/files/1/0432/5107/3174/files/wopiximewu.pdf
- https://cdn.shopify.com/s/files/1/0428/6752/3743/files/adolescent_developmental_tasks.pdf
- https://cdn.shopify.com/s/files/1/0434/2313/7957/files/th350_rebuild_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/5109/0077/files/57466121639.pdf
- https://cdn.shopify.com/s/files/1/0435/4041/4615/files/towobapisunoposepan.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_off00007e99.bin968f36320ad7210c2bd6bc5a2e36a2fff267c5e4841d2d174d4732feac69de0d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E99 | 5472 bytes |
font_01_sfnt_off00009158.bin98888f0289bf73ce482d92e05431e4b78ec9a9e8a18b93706e2fdc9c8157356c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9158 | 13540 bytes |
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