MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
This PDF document contains numerous embedded links, a common tactic for redirecting users to malicious websites. One critical heuristic identified a link to a known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=android+edittext+inputtype'. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains references to the same URL, reinforcing the lure.
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=android+edittext+inputtype
- http://files.greatvalleyfarms.com/uploads/1/3/1/3/131379789/wufumo.pdf
- http://files.globalmathcollaborative.org/uploads/1/3/1/0/131070011/ce8c1ad467.pdf
- http://files.hemlockcanoe.com/uploads/1/3/1/4/131408280/muvijomuni_nubejurazavawup_dewojulu.pdf
- https://cdn.shopify.com/s/files/1/0431/7223/3376/files/lugovi.pdf
- https://cdn.shopify.com/s/files/1/0434/7835/2022/files/57493278031.pdf
- https://cdn.shopify.com/s/files/1/0437/7644/2519/files/20946071829.pdf
- https://cdn.shopify.com/s/files/1/0438/4181/4693/files/6963610891.pdf
- https://cdn.shopify.com/s/files/1/0433/9495/7470/files/13654066150.pdf
- https://cdn.shopify.com/s/files/1/0432/6490/1270/files/navokapuvudibafib.pdf
- https://cdn.shopify.com/s/files/1/0429/6481/1935/files/98102934796.pdf
- https://cdn.shopify.com/s/files/1/0435/9720/1576/files/97732799695.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/titigabibuzumazavuxi.pdf
- https://cdn.shopify.com/s/files/1/0434/8254/6341/files/lawunobonelemurokuz.pdf
- https://cdn.shopify.com/s/files/1/0428/6945/7063/files/dakanurajisepuzo.pdf
- https://cdn.shopify.com/s/files/1/0434/1910/7480/files/11500179392.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_off00006e6f.bin692b2ba1c634d6a7497e44d1ca2fdd89218e7e3810e9200bd0ec165bcfc3c4b3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E6F | 4692 bytes |
font_01_sfnt_off00007e82.binb27686f07294f39a4fd21f97f72e904144ff8a7a007cf2d0e2bd800d07cbe66b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E82 | 13372 bytes |
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