MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, with the primary URL pointing to a known malicious redirector. The ML classifier strongly flagged this PDF as malicious, and heuristics indicate it's part of a link farm. The document body itself is largely obfuscated but contains the malicious URL and references to other PDFs, suggesting a coordinated effort to distribute malicious content or phish users.
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=mai+teri+chunariya+lyrics+video
- http://files.elaine-yoga.com/uploads/1/3/0/8/130813769/dotob.pdf
- http://vosak.kentuckycattlemensbeef.com/uploads/1/3/0/8/130874330/bozeje_zizesim_soxadigubug_zikajivudozudi.pdf
- http://files.thepowerofampersand.com/uploads/1/3/0/7/130740049/vozibo.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/4266/8698/files/nominal_group_technique.pdf
- https://cdn.shopify.com/s/files/1/0437/3400/7973/files/20128486863.pdf
- https://cdn.shopify.com/s/files/1/0431/2917/6232/files/72978219348.pdf
- https://cdn.shopify.com/s/files/1/0439/0024/0024/files/61613548858.pdf
- https://cdn.shopify.com/s/files/1/0430/7111/1330/files/add_text_to_files.pdf
- https://cdn.shopify.com/s/files/1/0435/5227/6632/files/new_adivasi_timli_song_2019.pdf
- https://cdn.shopify.com/s/files/1/0429/3971/1655/files/37004949287.pdf
- https://cdn.shopify.com/s/files/1/0451/8101/0071/files/su_carburetor_tuning.pdf
- https://cdn.shopify.com/s/files/1/0435/4090/6135/files/honda_element_service_manual.pdf
- https://cdn.shopify.com/s/files/1/0437/0278/0072/files/skse_memory_patch.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_off00005741.binf246f1fcbf4698703699b34d729691832cd8c0922d68eec59cb4c1ce6100cafb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5741 | 5192 bytes |
font_01_sfnt_off000068f1.binede8994856b986bcd32bea4ffc02b356039da8db4b8fa42600592d7e77de0012 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68F1 | 14200 bytes |
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