MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, including one pointing to a known malicious redirector. The document body text and embedded links suggest a lure to download further malicious content, potentially related to 'curriculum development studies'. The ML classifier 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.com/wb?keyword=curriculum%20development%20studies%20pdf
- http://files.maritzavives.com/uploads/1/3/2/8/132815346/zotowelew_lotavapibo_zevubebesoden_sodagufeje.pdf
- http://files.rainiersoundsystems.com/uploads/1/3/1/0/131070526/mazasanusekejewusibu.pdf
- http://files.dizzycoach.com/uploads/1/3/0/8/130874129/redesoba-xurun.pdf
- http://files.rabbicallie.com/uploads/1/3/1/4/131438523/7009751.pdf
- http://files.chsrocketsbaseball.com/uploads/1/3/1/6/131637255/9ba0cfc2498e26.pdf
- http://files.artlynchactingcoach.com/uploads/1/3/1/3/131380868/tagaxe.pdf
- http://files.negsbestthing.com/uploads/1/3/2/8/132815961/riwemuto.pdf
- http://files.northwestuu.org/uploads/1/3/1/4/131406433/zugugipa-jitezakuginupe.pdf
- https://newomigefixe.files.wordpress.com/2020/07/95383170611.pdf
- https://wapenowov.files.wordpress.com/2020/06/wopisukewirewomofavirudok.pdf
- https://xezerak.files.wordpress.com/2020/06/padoxupunikesu.pdf
- https://fefenojedef.files.wordpress.com/2020/07/kilopanawipaperax.pdf
- https://wozokaju.files.wordpress.com/2020/06/visedidozagalano.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/50751207741.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xubeke.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/49605194079.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jazaw.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/72645751706.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65107231385.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_off00006499.bin20a2032f3563f225b5974879db74622a07f207a4a44a91510cabe10c2314a0b8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6499 | 5056 bytes |
font_01_sfnt_off000075b7.binfb7dcbeb9d9b748444c5d8a37304459c680801f7095c609afac1edf133ecea9d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75B7 | 10396 bytes |
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