MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.cc/pify?keyword=gcse+maths+paper+3+answers+2019'. The document body, though heavily obfuscated, contains text related to 'gcse maths paper 3 answers 2019', suggesting a lure to entice users to click the malicious link. The presence of multiple Shopify URLs, some marked as benign and others unknown, indicates a link farm strategy. No scripts were extracted from this sample.
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=gcse+maths+paper+3+answers+2019
- http://files.shehrezadmaher.com/uploads/1/3/0/7/130776755/2104628.pdf
- http://files.lymanproductions.com/uploads/1/3/0/9/130969004/171232.pdf
- http://dupofora.britinn.at/uploads/1/3/0/9/130969352/8586033.pdf
- http://dibogeji.shirehistory.org/uploads/1/3/0/7/130776031/lenekenis_juvotiwip.pdf
- http://files.jyefinancial.com/uploads/1/3/1/0/131070872/4076256.pdf
- https://cdn.shopify.com/s/files/1/0440/6837/2632/files/97869635426.pdf
- https://cdn.shopify.com/s/files/1/0444/4497/5271/files/blank_map_of_central_america.pdf
- https://cdn.shopify.com/s/files/1/0428/4101/4438/files/pomigowuranota.pdf
- https://cdn.shopify.com/s/files/1/0445/3181/0463/files/building_information_modeling_for_dummies.pdf
- https://cdn.shopify.com/s/files/1/0430/6042/8962/files/36588073890.pdf
- https://cdn.shopify.com/s/files/1/0437/9102/4280/files/69211838509.pdf
- https://cdn.shopify.com/s/files/1/0434/5282/5750/files/o_arcadismo_no_brasil.pdf
- https://cdn.shopify.com/s/files/1/0431/0971/2021/files/vawinanolugurusi.pdf
- https://cdn.shopify.com/s/files/1/0433/4200/4375/files/ansys_2019_r3.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_off0000556b.binb6ad620b179e44f6a9c1a18ac3c84d203a67d829575a2fd209b0eb78943211d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x556B | 5908 bytes |
font_01_sfnt_off00006974.bin4f3c47aaa7e58838ed1bf43aabf5fdc9a8b84cea3303cd342b55a61ea8a468c3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6974 | 11096 bytes |
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