MALICIOUS
152
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 one pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector found in the heuristics. This suggests the primary purpose is to lure users to malicious sites.
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/wix?keyword=balance+de+materia+sin+reaccion+quimica
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/riginijulu.pdf
- https://cdn.shopify.com/s/files/1/0432/6309/9040/files/ejercicios_present_perfect_simple_just_yet_already.pdf
- https://cdn.shopify.com/s/files/1/0434/0023/3112/files/46113059373.pdf
- https://cdn.shopify.com/s/files/1/0429/6415/6575/files/vonufiwisujivivil.pdf
- https://static.usrfiles.com/ugd/5ed537_1df7bd3af6e34b8b89a7504b3ee0c51a.pdf
- https://static.usrfiles.com/ugd/f14cf6_9e9d52c4e4a24e8ba03cba679860e887.pdf
- https://static.usrfiles.com/ugd/e4ff69_1fc033acd9f74fb490c87b7fd8896067.pdf
- https://cdn.shopify.com/s/files/1/0429/7680/5018/files/kijemutukebif.pdf
- https://cdn.shopify.com/s/files/1/0437/1313/4757/files/30870693298.pdf
- https://cdn.shopify.com/s/files/1/0428/0962/2691/files/murulu.pdf
- https://cdn.shopify.com/s/files/1/0431/1675/7153/files/wofunolup.pdf
- https://cdn.shopify.com/s/files/1/0434/9178/6918/files/3657640144.pdf
- https://cdn.shopify.com/s/files/1/0435/9946/2558/files/xidaruralimipetux.pdf
- https://cdn.shopify.com/s/files/1/0433/6399/1717/files/gusenugajawafopalekami.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_off0000d841.bin9ee3021ead6d931039ea995109d01e661cd13db92bcd8a660d03cff73ee7ab97 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD841 | 5260 bytes |
font_01_sfnt_off0000e9f8.bin72d7f78e7255e8d50d33942bbee792bdeee72cb25002065fe5c3b9f18dc506fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9F8 | 14568 bytes |
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