MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a significant number of embedded URLs, many of which point to a link farm designed to obscure the ultimate destination. One critical heuristic identified a link to known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The presence of a link farm and a redirector suggests an attempt to lure users to malicious sites, likely for phishing or to download further malware.
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=banjo+party+marathi+song
- http://files.gladwincofc.org/uploads/1/3/1/4/131437736/45ef0fb386.pdf
- http://bizewo.bengillen.com/uploads/1/3/1/3/131383483/tanogimixiwu-bikuk-vififisoburopor.pdf
- http://files.mhmontessori.org/uploads/1/3/0/9/130969801/4cd664ded8edbd8.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/6335/3244/files/sadikakobofonimasi.pdf
- https://cdn.shopify.com/s/files/1/0440/1538/6789/files/lettering_calligraphy_workbook.pdf
- https://cdn.shopify.com/s/files/1/0434/4283/1522/files/mirete.pdf
- https://cdn.shopify.com/s/files/1/0428/7997/5590/files/39_clues_maze_of_bones.pdf
- https://cdn.shopify.com/s/files/1/0432/8344/7968/files/air_source_heat_pump_systems.pdf
- https://cdn.shopify.com/s/files/1/0427/6197/8023/files/miregesegetum.pdf
- https://cdn.shopify.com/s/files/1/0440/1309/3029/files/3_digit_addition_and_subtraction_with_regrouping.pdf
- https://cdn.shopify.com/s/files/1/0431/6063/3504/files/types_of_assistive_listening_devices.pdf
- https://cdn.shopify.com/s/files/1/0440/6162/2437/files/monitoring_and_evaluation_plan.pdf
- https://cdn.shopify.com/s/files/1/0437/5900/9943/files/barcode_examples.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xugifewelogukepebokiz.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_off00004b91.bin9588cd339e1ef1c68d1f7d97f8f252b1804bd8ec7727c7d29c0b9fd456023ef9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4B91 | 5428 bytes |
font_01_sfnt_off00005dec.bin04812b50cd47fbf688e8ca1a5db0df4e096693ac5b9d9fea31194d96f5639fd1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DEC | 13968 bytes |
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