MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, one of which points to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text that appears to be a lure for educational content, likely to trick users into clicking the malicious link. The presence of numerous external PDF links further suggests a link farm or SEO manipulation tactic.
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=descriptive+writing+for+grade+3+pdf
- http://files.callkarlykapur.com/uploads/1/3/1/4/131411688/b634cf4874.pdf
- http://files.karoogravelgrinder.com/uploads/1/3/0/8/130814492/7673466.pdf
- http://files.jamesballardmusic.com/uploads/1/3/1/4/131455247/e67a5.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/7643/5621/files/12856897237.pdf
- https://cdn.shopify.com/s/files/1/0433/9151/6828/files/lirarasaxiw.pdf
- https://cdn.shopify.com/s/files/1/0434/3224/7445/files/xisomixawanotatosov.pdf
- https://cdn.shopify.com/s/files/1/0429/0566/5703/files/47846645255.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fovurasavelibegesixaga.pdf
- https://cdn.shopify.com/s/files/1/0430/4030/9402/files/telidovumokoxoj.pdf
- https://cdn.shopify.com/s/files/1/0429/5150/8131/files/9243820245.pdf
- https://cdn.shopify.com/s/files/1/0430/1147/3571/files/banemiwab.pdf
- https://cdn.shopify.com/s/files/1/0430/0773/8019/files/arizona_driving_manual.pdf
- https://cdn.shopify.com/s/files/1/0429/6271/4773/files/asclepius_wellness_plan.pdf
- https://cdn.shopify.com/s/files/1/0437/7473/8586/files/britannia_deck_plans_2020.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_off000082f4.binba8f6faafbc288a9465aa6eb7ef76c7dfcd4db876b9d4cd5e83ed7f0610277dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82F4 | 5604 bytes |
font_01_sfnt_off00009635.binfa78c78a54299d0cd5e5ca75da38d57984d8555a27fa48fed5c4959c1fcbf972 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9635 | 10060 bytes |
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