MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a malicious redirector link disguised as a legitimate download. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK and the embedded URL in the document body strongly indicate this. The ML classifier also flagged this PDF with high confidence. The document body text and embedded URLs suggest a lure related to medical information, specifically "neonatal jaundice pdf download", to entice users to click the malicious link.
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=neonatal+jaundice+pdf+download
- http://files.mymeds.info/uploads/1/3/1/4/131407734/8959684.pdf
- http://files.parkingguidance.com.au/uploads/1/3/2/6/132695586/9689566.pdf
- http://files.breckrothage.com/uploads/1/3/2/7/132712209/vubotu.pdf
- http://kebaxom.brayofbeauty.com/uploads/1/3/1/6/131606490/datapifomisowokub.pdf
- https://cdn.shopify.com/s/files/1/0433/4800/0922/files/15770642242.pdf
- https://cdn.shopify.com/s/files/1/0432/0172/4577/files/20835387056.pdf
- https://cdn.shopify.com/s/files/1/0434/4047/2214/files/lupiz.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dijev.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/damegadunuje.pdf
- https://cdn.shopify.com/s/files/1/0433/6192/7318/files/nevizobebikadefazajumi.pdf
- https://cdn.shopify.com/s/files/1/0429/8027/8426/files/lomozej.pdf
- https://cdn.shopify.com/s/files/1/0438/8772/2648/files/treasure_planet_song.pdf
- https://cdn.shopify.com/s/files/1/0437/0982/5176/files/fiwazamewupiva.pdf
- https://cdn.shopify.com/s/files/1/0434/4388/0103/files/kopekanepifebasaliduvaw.pdf
- https://cdn.shopify.com/s/files/1/0447/9257/8208/files/list_of_bharat_ratna_award.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_off000079af.bin9c90e5e9ba3d3101fc18ce059b4b876d0cb0a5f9693b0d984b0e931560986ec0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79AF | 5012 bytes |
font_01_sfnt_off00008af4.bin68552039ffd43e3ac05e92dfe3ec6a23507bb03287fc4eed6ddcb39b96d9df37 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8AF4 | 10192 bytes |
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