MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1566.002 Spearphishing Attachment
The PDF contains a large number of embedded URLs, many of which point to a link farm designed to redirect users to malicious content. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.com/wb?keyword=og%2027%20din%202002%20actualizata%202017%20pdf'. The ML classifier also strongly indicated maliciousness. The document body itself is largely obfuscated but contains similar redirector patterns.
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.com/wb?keyword=og%2027%20din%202002%20actualizata%202017%20pdf
- http://files.saikmusic.org/uploads/1/3/2/7/132740415/67c8893d65fe7.pdf
- http://files.bridgestoserbia.com/uploads/1/3/1/4/131452991/7654863.pdf
- http://files.bombayfrankiecompany.com/uploads/1/3/1/8/131856518/232247.pdf
- http://files.farmacybotanical.com/uploads/1/3/2/3/132302973/xutitogesafa-lixoreriberexik-larowuwonubola.pdf
- http://files.bbawakeblogs.com/uploads/1/3/1/4/131437268/66807.pdf
- http://files.storybookdelivery.com/uploads/1/3/1/4/131407823/7370618.pdf
- http://files.ejacts.com/uploads/1/3/1/3/131384018/givebivusunilujogoj.pdf
- http://files.winterwislib.org/uploads/1/3/0/7/130775752/pujofevawatig-zazamib.pdf
- http://files.learnguitar4fun.com/uploads/1/3/1/8/131856381/8522082.pdf
- http://files.befreecounselling.com/uploads/1/3/1/0/131070523/sijevagazuvidawafi.pdf
- http://files.hsc3knives.com/uploads/1/3/0/9/130969243/a00465f049b.pdf
- https://litafugasizu.files.wordpress.com/2020/06/nafel.pdf
- https://vomibomuso593992328.files.wordpress.com/2020/06/93339697459.pdf
- https://pasodota.files.wordpress.com/2020/07/kawusazetowojamasofape.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_off00006152.bin8447262c25624fa1d280af702753643cf1ffbf1430d78e8c2c88e80047a52096 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6152 | 5184 bytes |
font_01_sfnt_off00007320.bin8f388ada0dc08c68e320548286da4ff6539ce5cd8cc913b02ca51a91a5fdc4e7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7320 | 10952 bytes |
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