MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a redirector service known to host malicious content. The primary heuristic firing indicates a malicious redirector link, and the ML classifier strongly supports this assessment. The document body, though heavily obfuscated, contains the malicious URL, suggesting a lure to trick users into clicking through to potentially harmful sites.
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/wix?keyword=ish+by+peter+reynolds+pdf
- https://cdn.shopify.com/s/files/1/0427/8072/1311/files/du_application_form_2019_for_bcom_hons.pdf
- https://cdn.shopify.com/s/files/1/0429/2460/5599/files/98979922356.pdf
- https://cdn.shopify.com/s/files/1/0428/2135/3639/files/retodojesub.pdf
- https://cdn.shopify.com/s/files/1/0431/2537/5127/files/statistical_analysis_of_medical_data_using_sas_download.pdf
- https://cdn.shopify.com/s/files/1/0435/3848/1320/files/sibagepawolaseje.pdf
- https://cdn.shopify.com/s/files/1/0432/1945/2072/files/background_cover_css.pdf
- https://cdn.shopify.com/s/files/1/0437/7985/0398/files/integrated_reporting_iirc.pdf
- https://cdn.shopify.com/s/files/1/0435/7976/8995/files/autism_diagnostic_interview_adi.pdf
- https://cdn.shopify.com/s/files/1/0428/9154/2681/files/8984461567.pdf
- https://static.usrfiles.com/ugd/b8c837_d63e9179ec9c4057915a8716084d9ae0.pdf
- https://static.usrfiles.com/ugd/b8c837_b30317aaa5564d66978070745cb83036.pdf
- https://static.usrfiles.com/ugd/162fe6_5dfc8f44823d4832bcf053579e7a6bc9.pdf
- https://static.usrfiles.com/ugd/b8c837_19680482a7be48d08e774584cefef8e6.pdf
- https://static.usrfiles.com/ugd/b8c837_03c0f31937d141bfbe664aea726c2791.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006116.binab918fdfa6c4b89a90230eb3407d57ef17a3433edaeafa62cc5fbd7ad5b48032 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6116 | 5096 bytes |
font_01_sfnt_off0000725b.binfb25f16fe097b85321cf9b8c1fbdb0ff6add1b472b56f8dce0f0351467acaf5e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x725B | 9832 bytes |
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