MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a significant number of embedded links, with a critical heuristic firing indicating a link farm pointing to a known malicious redirector. The ML classifier also strongly flagged this PDF as malicious. The presence of the URL https://ttraff.ru/pify?keyword=biodanza+music+s suggests a redirection chain designed to obfuscate the ultimate malicious payload. No scripts were extracted, but the link farm and redirector indicate a likely phishing or malware distribution attempt.
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=biodanza+music+s
- http://files.service-lifts.com/uploads/1/3/1/4/131454523/8144723.pdf
- http://files.lasclasesdesenorag.com/uploads/1/3/1/0/131070178/6747274.pdf
- http://xepine.buildidahogreen.com/uploads/1/3/0/8/130813332/208e33570.pdf
- https://cdn.shopify.com/s/files/1/0450/2568/9758/files/automobile_technology_by_nk_giri.pdf
- https://cdn.shopify.com/s/files/1/0432/1381/5966/files/75837073214.pdf
- https://cdn.shopify.com/s/files/1/0438/1619/0112/files/bowflex_workout_plans.pdf
- https://cdn.shopify.com/s/files/1/0433/3446/7752/files/77862935379.pdf
- https://cdn.shopify.com/s/files/1/0438/5207/1074/files/czasy_teraniejsze_i_przesze_angielski_wiczenia.pdf
- https://cdn.shopify.com/s/files/1/0435/3140/3413/files/waiting_for_godot_download_free.pdf
- https://cdn.shopify.com/s/files/1/0431/3019/2039/files/adobe_after_effects_cs6_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0452/6043/9713/files/articles_of_association_form.pdf
- https://cdn.shopify.com/s/files/1/0430/6062/5562/files/63619501583.pdf
- https://cdn.shopify.com/s/files/1/0440/8662/4406/files/read_geronimo_stilton_books.pdf
- https://cdn.shopify.com/s/files/1/0428/7784/5671/files/vimovubizinuka.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_off00006793.bindb064cefd5d11608a6f1297cbc0ee6f98afaa505eb9885f546ebeed8eba07268 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6793 | 5056 bytes |
font_01_sfnt_off000078b4.bin099c378acb61f600832e3ca3d538fb32f5d716af2dea3e8c7dbf19ed990f601c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78B4 | 10616 bytes |
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