MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the same URL and a title suggesting an educational worksheet, likely a lure. The ML classifier also strongly indicated maliciousness, supporting the conclusion that this PDF is designed to redirect users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
-
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.
-
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.
-
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.
-
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=adjective+phrase+worksheet+for+grade+5
- http://silefe.jihyunhong.com/uploads/1/3/0/8/130814687/zizeginomuxavegi.pdf
- http://files.sharmellebeauty.net/uploads/1/3/0/9/130969360/tozumirazokolus_lizowa_xovuwipodonixa.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/8596/2142/files/muscle_building_diet_plan_for_skinny_guys.pdf
- https://cdn.shopify.com/s/files/1/0431/4251/2802/files/how_to_celtx_script_on_ipad.pdf
- https://cdn.shopify.com/s/files/1/0437/3407/3505/files/67301964203.pdf
- https://cdn.shopify.com/s/files/1/0435/2249/0528/files/libro_30_planos_arquitectonicos.pdf
- https://cdn.shopify.com/s/files/1/0438/3876/7266/files/sistema_bethesda_cacu.pdf
- https://cdn.shopify.com/s/files/1/0443/2855/0556/files/neural_network_matlab_example.pdf
- https://cdn.shopify.com/s/files/1/0432/9606/3643/files/vomagulotozoxamifomogej.pdf
- https://cdn.shopify.com/s/files/1/0427/8714/3839/files/zelunifebuvepajevek.pdf
- https://cdn.shopify.com/s/files/1/0431/3199/4280/files/vutubebenepajunapopafi.pdf
- https://cdn.shopify.com/s/files/1/0430/1550/4029/files/59100391053.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_off00005216.bin2901a29a6dcedddb15acd5adff95521ce2a16472ef8b4fd329bb9a8707ff1a6d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5216 | 5792 bytes |
font_01_sfnt_off000065e6.bin38c547fbe12d9a95b270a099d671bc2de4300dca38ad842633730e877474975a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65E6 | 9988 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.