MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous links to external PDF files, a technique often used to create SEO link farms. One of the primary links directs to a known malicious redirector, indicating a malicious intent to lead users to harmful content. The document body, though heavily obfuscated, suggests a lure related to an 'advanced english multiple choice test'.
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/pify?keyword=advanced+english+multiple+choice+test+pdf
- http://files.embracingwisdom.com/uploads/1/3/1/4/131437889/bewotode_fitakakusoxidal.pdf
- http://files.missionpeakrobotics.com/uploads/1/3/1/4/131409090/jikexuzezep_zubuwupuko_semuj.pdf
- http://files.coaster-notes.com/uploads/1/3/1/1/131164452/pexirigurufoxa_samanavogovote_ramamimugafod.pdf
- http://files.neo-hawaii.com/uploads/1/3/0/9/130970003/3616855.pdf
- http://files.tomluhring.com/uploads/1/3/1/6/131637147/664b5686a.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/0417/4233/files/bafujat.pdf
- https://cdn.shopify.com/s/files/1/0432/2610/3971/files/pagiz.pdf
- https://cdn.shopify.com/s/files/1/0433/0360/0283/files/tasamefuzeralatevawepap.pdf
- https://cdn.shopify.com/s/files/1/0435/1708/3803/files/zavutuliramegebumeno.pdf
- https://cdn.shopify.com/s/files/1/0433/3902/2485/files/87312550099.pdf
- https://cdn.shopify.com/s/files/1/0437/4324/8545/files/90596947164.pdf
- https://cdn.shopify.com/s/files/1/0432/0326/4667/files/fipebumolulogigolijitoka.pdf
- https://cdn.shopify.com/s/files/1/0430/3002/0247/files/25087237819.pdf
- https://cdn.shopify.com/s/files/1/0434/2143/4005/files/kifebovinobekasibijisep.pdf
- https://cdn.shopify.com/s/files/1/0431/6764/5852/files/48749319115.pdf
- https://cdn.shopify.com/s/files/1/0433/0917/0856/files/revaremimoguxexuwogekufi.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_off00005298.binaf9db757fa03a677796c7babe1fbd58a78a2ab060255ae62e50f2ba66ac3854b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5298 | 5404 bytes |
font_01_sfnt_off000064de.bin377265bf06cdc43f2aefa35d28977558248bfed917896cc9801dfcae1ca4acac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64DE | 9064 bytes |
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