MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, masquerading as educational content, that point to a redirector service known for malicious activity. The ML classifier strongly indicates maliciousness, and the presence of a link farm suggests an attempt to distribute malicious content or engage in SEO abuse. The document body, though corrupted, contains the URL that triggers the malicious redirect.
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.cc/pify?keyword=addition+math+worksheets+for+2nd+grade
- http://manuzi.downonthefreedomfarm.com/uploads/1/3/1/3/131384081/finudu.pdf
- http://files.assv4u.com/uploads/1/3/1/3/131379591/8524758.pdf
- http://zumur.francescomptonlibrary.com/uploads/1/3/1/6/131637309/a65632ab15dd20e.pdf
- http://vopowimub.barronparkpreschool.com/uploads/1/3/1/1/131164048/paneginozuzuw_tugigekinafukot.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/8713/4882/files/73611223321.pdf
- https://cdn.shopify.com/s/files/1/0429/5730/8063/files/red_proto_drake_guide.pdf
- https://cdn.shopify.com/s/files/1/0433/7418/2563/files/operational_auditing_principles_and_techniques_for_a_changing_world.pdf
- https://cdn.shopify.com/s/files/1/0428/1267/0111/files/xizeliwe.pdf
- https://cdn.shopify.com/s/files/1/0437/6713/6413/files/sixav.pdf
- https://cdn.shopify.com/s/files/1/0432/3432/8735/files/apush_themes.pdf
- https://cdn.shopify.com/s/files/1/0436/9226/1529/files/46691125526.pdf
- https://cdn.shopify.com/s/files/1/0429/8424/3351/files/rizeporepageneminomanetof.pdf
- https://cdn.shopify.com/s/files/1/0433/4472/4133/files/53549605663.pdf
- https://cdn.shopify.com/s/files/1/0433/9433/4869/files/28638782728.pdf
- https://cdn.shopify.com/s/files/1/0439/3048/4904/files/kajon.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_off00005e91.bin63abf75a7d0b6150d07ca701af37a5125ef9100c1d759e1d851ff8b5a203e4d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E91 | 5564 bytes |
font_01_sfnt_off00007161.bin83ad5ee8e47d8c1424c80d561218f35c55e1386ce539d18fce2319a0819683a2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7161 | 10384 bytes |
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