MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple critical heuristics, including a malicious redirector link and a link farm. The ML classifier also strongly indicated maliciousness. The document body contains a URL that points to a redirector, likely intended to obscure the final destination and potentially lead the user to a phishing or malware distribution site. The presence of numerous external links suggests a content-scraping or link-farming technique to distribute malicious content.
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=fisiopatologia+del+pancreas+endocrino+pdf
- http://files.actamsea.org/uploads/1/3/0/7/130738779/bazafagifab.pdf
- http://files.mischiefprojections.com/uploads/1/3/0/9/130969633/mafej-lufemofunugo-lufeb.pdf
- http://files.ncscac.org/uploads/1/3/1/8/131856626/foxifarivez.pdf
- https://cdn.shopify.com/s/files/1/0433/1572/4443/files/juzoxesomasezamabe.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mowojemabedeju.pdf
- https://cdn.shopify.com/s/files/1/0427/8996/1884/files/89326408040.pdf
- https://cdn.shopify.com/s/files/1/0428/2328/6940/files/50621889396.pdf
- https://cdn.shopify.com/s/files/1/0432/4805/8536/files/20090963438.pdf
- https://cdn.shopify.com/s/files/1/0431/2471/9773/files/odisha_govt_holiday_calendar_2020.pdf
- https://cdn.shopify.com/s/files/1/0433/7070/9142/files/56959851693.pdf
- https://cdn.shopify.com/s/files/1/0435/7845/8275/files/29149837350.pdf
- https://cdn.shopify.com/s/files/1/0435/3631/8616/files/kowofinemigatijifegewamu.pdf
- https://cdn.shopify.com/s/files/1/0430/9454/0452/files/dinujibafoxegike.pdf
- https://cdn.shopify.com/s/files/1/0430/6714/6397/files/pudozidezavol.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_off00005f56.bindfeef2f7211658b1f86e21caf3b43993c834604554788fcd76a9b0aaabd8bb3d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F56 | 5276 bytes |
font_01_sfnt_off0000715a.bin19230e4d138e4c7b6d4c485ef242ba9dec1970ca61c5e6042fbf026d959eea4a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x715A | 12040 bytes |
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