MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded links, many of which point to a link farm designed to redirect users to malicious sites. One critical heuristic identified a link to known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The document body itself is largely unreadable, but the presence of the malicious URL is a strong indicator of a phishing or redirection attack.
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=xerostomia+definicion+pdf
- http://wonujemi.womensoutdoorweekends.co.uk/uploads/1/3/1/3/131379678/wusejudizuje.pdf
- http://xanopa.samanthabowick.com/uploads/1/3/1/4/131438464/5990896.pdf
- http://files.stoneworkswellness.com/uploads/1/3/1/6/131637136/2657587.pdf
- http://kodogojek.feliceabarr.com/uploads/1/3/0/7/130738666/pululit-girif.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/5545/6149/files/faguse.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/94448736580.pdf
- https://cdn.shopify.com/s/files/1/0433/3505/7559/files/bafeb.pdf
- https://cdn.shopify.com/s/files/1/0436/0473/8206/files/ramololinal.pdf
- https://cdn.shopify.com/s/files/1/0428/2531/8563/files/92853466130.pdf
- https://cdn.shopify.com/s/files/1/0434/6737/4758/files/tajur.pdf
- https://cdn.shopify.com/s/files/1/0428/8158/1209/files/28314381484.pdf
- https://cdn.shopify.com/s/files/1/0431/3694/2234/files/ing_direct_australia.pdf
- https://cdn.shopify.com/s/files/1/0430/6409/8970/files/saxunagemufevodedetavasu.pdf
- https://cdn.shopify.com/s/files/1/0429/1536/5031/files/dajazezupadex.pdf
- https://cdn.shopify.com/s/files/1/0438/4423/9510/files/que_es_una_carga_electrica.pdf
- https://cdn.shopify.com/s/files/1/0432/8253/0472/files/vonixijizotosaxikisut.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_off00006304.bin68c156cc5257b66d2c74253b3a7383e3bec37ab5c38afe105d43f0f941dce302 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6304 | 5248 bytes |
font_01_sfnt_off000074be.bin2b7421801bf634453d134965452bec24bf78a05268db99ea5350e3b70d03018e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74BE | 10020 bytes |
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