MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, including one to a known malicious redirector, disguised as free worksheets. This technique, combined with the ML classifier's high confidence, indicates a malicious intent to redirect users to harmful sites. The presence of a link farm suggests an attempt to obscure the malicious destination and potentially for SEO manipulation.
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.com/pify?keyword=free+worksheets+possessive+nouns
- http://files.stfrancesbasketball.com/uploads/1/3/0/7/130775102/3353682.pdf
- http://kigalep.jacquelyncarterdesigns.com/uploads/1/3/1/6/131637136/kivorogo.pdf
- http://files.soaringhawkvineyards.com/uploads/1/3/0/7/130775633/kalitetuwipe.pdf
- http://files.prodigyracingassociation.com/uploads/1/3/2/6/132681969/zezefi.pdf
- http://files.antlerspecialtygoods.com/uploads/1/3/1/4/131437306/wunog.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/3813/8783/files/7967170765.pdf
- https://cdn.shopify.com/s/files/1/0440/2970/6390/files/timothy_keller_counterfeit_gods.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/38967404473.pdf
- https://cdn.shopify.com/s/files/1/0430/4030/9402/files/daxurenuxuz.pdf
- https://cdn.shopify.com/s/files/1/0430/9480/2581/files/58621221523.pdf
- https://cdn.shopify.com/s/files/1/0436/7453/4041/files/absolute_value_graphing_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0433/5940/4197/files/suzigojabavuwexewipamag.pdf
- https://cdn.shopify.com/s/files/1/0428/5058/2684/files/20358974742.pdf
- https://cdn.shopify.com/s/files/1/0428/8672/5795/files/5639983387.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_off000069e9.bin3ba43c8d9e877ccb522a9f292a8ac2c8d59eb797e6bbf2503f3cfbc8f90df819 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69E9 | 4836 bytes |
font_01_sfnt_off00007a74.binfa84ef502bf3f6fa1eeb17952dbc610415eb820aa198e580c2cb2a2c34849010 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A74 | 10456 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.