MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains text related to 'American vision textbook' and includes the primary malicious URL. The presence of a link farm and a high ML classifier score further support the malicious classification. The primary intent appears to be redirecting the user to malicious infrastructure via the embedded links.
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.me/wix?keyword=american+vision+textbook
- http://xomozir.greatchishillpc.com/uploads/1/3/2/7/132740494/2451718.pdf
- http://files.elshaddaiworldoutreach.org/uploads/1/3/1/8/131858287/rujobikisubuzedage.pdf
- http://xomuwam.100womenwhocaremedina.com/uploads/1/3/1/3/131379246/8659107.pdf
- http://merujonu.aquaattack.net/uploads/1/3/1/6/131637649/jirufap_pivud.pdf
- https://7e71e43f-cfe4-4319-8672-d392dd7b3625.filesusr.com/ugd/97493d_56e225b194974ee9b38a2d00dacddf02.pdf?index=true
- https://cdn.shopify.com/s/files/1/0434/1235/7270/files/icao_annex_14_volume_2_heliports.pdf
- https://cdn.shopify.com/s/files/1/0435/7344/4767/files/simizubusexox.pdf
- https://cdn.shopify.com/s/files/1/0481/8373/8525/files/54513916401.pdf
- https://cdn.shopify.com/s/files/1/0432/3721/2319/files/bigenogu.pdf
- https://cdn.shopify.com/s/files/1/0440/6162/2437/files/addis_ababa_city_population.pdf
- https://cdn.shopify.com/s/files/1/0429/3532/0735/files/ibm_cognos_tm1_developer_s_certification_guide.pdf
- https://cdn.shopify.com/s/files/1/0454/4344/8990/files/ornamentation_in_music.pdf
- https://cdn.shopify.com/s/files/1/0432/8656/0936/files/wefedabedigikuvejaru.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/
- https://cdn.shopify.com/s/files/1/0432/3721/2319/fi
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006325.binc296cd892346e131ebabf08304a39827c9977b3cc63e14a646c2424987bca329 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6325 | 5232 bytes |
font_01_sfnt_off000074e5.bin4a41ec35feee3d69613d7a4129c2a4737214fdb32874b619acd262db0f0fcb39 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74E5 | 10412 bytes |
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