MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document contains a link disguised as a maintenance manual for a Dell Latitude E6420, which redirects to a malicious URL. The ML classifier strongly indicated maliciousness, and the PDF structure includes a large number of external links, many of which are hosted on Shopify but point to potentially malicious content. The primary malicious IOC is the redirector URL.
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/wb?keyword=dell%20latitude%20e6420%20maintenance%20manual
- http://files.nxtgenerationenergy.com/uploads/1/3/1/3/131383664/a04a74e2586.pdf
- http://vulelegit.eternal-roots.com/uploads/1/3/1/0/131070450/90f917.pdf
- http://wolana.izzysfrozenyogurtandicecreamnh.com/uploads/1/3/0/7/130739777/1999183.pdf
- http://vopopoze.time2shinehypnotherapy.com/uploads/1/3/1/3/131379578/migirivate.pdf
- http://files.jawsjournal.com/uploads/1/3/0/7/130740490/vesiwoguziwewil.pdf
- https://cdn.shopify.com/s/files/1/0428/1679/8883/files/tejarozotabifajojor.pdf
- https://cdn.shopify.com/s/files/1/0429/6946/4991/files/9069092902.pdf
- https://cdn.shopify.com/s/files/1/0430/8893/7120/files/dotilibesefu.pdf
- https://cdn.shopify.com/s/files/1/0433/9033/7182/files/maths_formulas_free_download_in_gujarati.pdf
- https://cdn.shopify.com/s/files/1/0437/0428/7383/files/17698931182.pdf
- https://cdn.shopify.com/s/files/1/0428/3462/4668/files/latin_american_liberation_theology.pdf
- https://cdn.shopify.com/s/files/1/0432/0811/4340/files/ankle_brachial_pressure_index.pdf
- https://cdn.shopify.com/s/files/1/0431/6797/3538/files/analisis_dimensional_en_mecanica_de_fluidos.pdf
- https://cdn.shopify.com/s/files/1/0434/3264/0679/files/xipozimunujepulotebe.pdf
- https://cdn.shopify.com/s/files/1/0431/9831/6705/files/megoxakaxodunakonusapu.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_off00007f85.bin621004f6e628e19e9f54e4dc640c3ca7a5a762e9e480e365b8f941e68b331ef0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F85 | 5324 bytes |
font_01_sfnt_off00009197.bin9604ef9bbbebdde97777b0658818efa276bf9c5e1e5359fd3c99ef422535d235 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9197 | 14160 bytes |
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