MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains text suggesting a lure related to 'happy birthday card template printable' and includes the malicious URL. The ML classifier strongly indicates maliciousness, and the presence of a redirector link points to a phishing or malware distribution attempt.
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.ru/pify?keyword=happy+birthday+card+template+printable
- http://files.joseluisperezjim.com/uploads/1/3/1/3/131383553/gejuxab.pdf
- http://files.trackingclubofma.com/uploads/1/3/0/7/130738993/5062284.pdf
- http://files.thesocceridcamp.com/uploads/1/3/0/7/130739159/86ae5510.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/9105/7058/files/amenaza_definicion.pdf
- https://cdn.shopify.com/s/files/1/0434/8739/6004/files/almanach_mistrza_gry.pdf
- https://cdn.shopify.com/s/files/1/0433/3237/0584/files/1962257743.pdf
- https://cdn.shopify.com/s/files/1/0435/9107/3947/files/xizatuvuninivedidixu.pdf
- https://cdn.shopify.com/s/files/1/0430/5515/3303/files/99598376898.pdf
- https://cdn.shopify.com/s/files/1/0437/3502/3770/files/underworld_meg_cabot_free_download.pdf
- https://cdn.shopify.com/s/files/1/0439/0469/6472/files/39842057234.pdf
- https://cdn.shopify.com/s/files/1/0436/5081/0014/files/22219342301.pdf
- https://cdn.shopify.com/s/files/1/0429/9482/7418/files/sofogaf.pdf
- https://cdn.shopify.com/s/files/1/0428/9350/8771/files/62514381681.pdf
- https://cdn.shopify.com/s/files/1/0435/1351/2100/files/ahmed_deedat_franais.pdf
- https://cdn.shopify.com/s/files/1/0438/2988/7136/files/rixujugamel.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_off0000939c.bina1f4c42190ddb22e6a3aeccf9a0cb09cce004d71444ad960f8f1e75df94206a3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x939C | 5340 bytes |
font_01_sfnt_off0000a592.bin7327087fea394af5b6f06abbdb40d62eb8560c313057effc43e027a3cc214cd7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA592 | 11256 bytes |
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