MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, with one critical heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'Halloween costume contest guidelines' and a URL that matches the malicious redirector. This suggests the document is designed to trick users into visiting malicious sites, likely for phishing or malware distribution.
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.com/pify?keyword=halloween+costume+contest+guidelines
- http://files.realmccoycabins.com/uploads/1/3/1/6/131637402/parulapi_wonegelu_saxafo_dorarowi.pdf
- http://files.neworleansmidwives.com/uploads/1/3/0/7/130775850/tulavekew_gamokozudubo_zekabe_kisifaz.pdf
- https://cdn.shopify.com/s/files/1/0431/1059/6775/files/blogging_platforms_for_beginners.pdf
- https://cdn.shopify.com/s/files/1/0440/4091/3046/files/joguzogekuva.pdf
- https://cdn.shopify.com/s/files/1/0430/7140/6237/files/lefevalupoxebumunekawez.pdf
- https://cdn.shopify.com/s/files/1/0434/0337/8839/files/junolanijiwudusig.pdf
- https://cdn.shopify.com/s/files/1/0429/1588/9305/files/39340536574.pdf
- https://cdn.shopify.com/s/files/1/0428/6945/7055/files/watijibaxaniber.pdf
- https://cdn.shopify.com/s/files/1/0429/2024/7462/files/87713453163.pdf
- https://cdn.shopify.com/s/files/1/0463/3110/1345/files/fexejajomigetalew.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tobilefoseparavako.pdf
- https://cdn.shopify.com/s/files/1/0431/7406/8390/files/31743600052.pdf
- https://cdn.shopify.com/s/files/1/0433/7362/5500/files/farming_simulator_2015_american_map.pdf
- https://cdn.shopify.com/s/files/1/0436/7355/1001/files/61933408385.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_off0000685e.bin0fd41739f3debfc5a94720dbf083a46f4d5ca6b052e385051f26e406fad2ab4c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x685E | 5216 bytes |
font_01_sfnt_off00007a1c.bin4451ac2cd0a52d0fff22cfd98207ed44480434997b8ecf342697cf3fbe181f8b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A1C | 10628 bytes |
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