MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm and a specific redirector URL, indicating a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains the text 'Twin lens reflex camera manual' and the malicious redirector URL, suggesting a lure to trick users into clicking the link. The ML classifier also strongly flagged this PDF as malicious.
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/wb?keyword=twin%20lens%20reflex%20camera%20manual
- http://files.calcoastalhorserescue.com/uploads/1/3/1/4/131412558/sivoto.pdf
- http://files.ericaveryartist.com/uploads/1/3/0/7/130775867/jedaxixabaxeza-kubazo-xikoz-fegonetazowuseg.pdf
- http://files.energyharmonybalance.com/uploads/1/3/1/4/131483097/nokamow.pdf
- https://cdn.shopify.com/s/files/1/0428/2135/3635/files/vulopumefudalezeseliv.pdf
- https://cdn.shopify.com/s/files/1/0437/8938/5885/files/56096657202.pdf
- https://cdn.shopify.com/s/files/1/0440/6856/9238/files/tagob.pdf
- https://cdn.shopify.com/s/files/1/0431/4864/0413/files/vaziburelijumizudesiwa.pdf
- https://cdn.shopify.com/s/files/1/0433/8266/9464/files/approach_definition.pdf
- https://cdn.shopify.com/s/files/1/0438/1966/3522/files/wowaledoribodigi.pdf
- https://cdn.shopify.com/s/files/1/0434/8513/5014/files/majedofejarakisomulod.pdf
- https://cdn.shopify.com/s/files/1/0438/0337/7824/files/operatoria_dental_barrancos_5ta_edicion_descargar_gratis.pdf
- https://cdn.shopify.com/s/files/1/0434/9257/3336/files/amazon_in_2020_case_study.pdf
- https://cdn.shopify.com/s/files/1/0431/4005/5208/files/pukolef.pdf
- https://cdn.shopify.com/s/files/1/0434/2143/4023/files/human_anatomy_marieb_free.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_off00004745.bin2bc1e2ea4b12b6b7dcc8cc2124812a7ffaf2dced3b879fc0014772ecda44746c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4745 | 5136 bytes |
font_01_sfnt_off000058ad.bind5bc368abb5da8ae36fbdc0436b2aa114aaf094d14cfb95569e9f6392f5dfd9f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58AD | 10744 bytes |
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