MALICIOUS
94
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier also strongly indicated maliciousness. The document body contains garbled text but also includes a URL, suggesting the primary purpose is to redirect users to external sites. The numerous links point to domains that appear to be part of a link farm, likely for SEO manipulation or to host further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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External URI info PDF_URIPDF contains an external URL action
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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 http://steelbullets.com/uploads/1/3/0/6/130639537/130639537.html#celsius+fahrenheit+conversion+formula
- http://seafoodfestivalgiveaways.com/uploads/1/3/0/5/130543318/kukofivugex-tapob-kidelepu.pdf
- http://www.csmco.com/uploads/1/3/0/6/130620936/merumesexunu.pdf
- http://hostmaster.bgmechanicalsupport.co.uk/uploads/1/3/0/4/130435536/17b7b1f4bdb8.pdf
- http://www.foreverdreamflorida.com/uploads/1/3/0/3/130379504/72470359.pdf
- http://www.bebeautyskincare.com/uploads/1/3/0/3/130313191/piloguwowexuxerel.pdf
- http://saverahwaypark.org/uploads/1/3/0/8/130815137/2055261.pdf
- http://redttube.net/uploads/1/3/0/6/130603904/datefuwukaf.pdf
- http://myelite.biz/uploads/1/3/0/9/130969118/7460328.pdf
- http://www.sysbss.com/uploads/1/3/0/4/130435748/gekujexebomos-wipumedapi-derokowupiviruk-lurape.pdf
- http://myenhancedbeautyy.net/uploads/1/3/0/7/130776049/2676578.pdf
- http://etck12mi.us/uploads/1/3/0/2/130289620/kovatox-wewitupunuzi.pdf
- http://hotwinedeals.com/uploads/1/3/0/7/130739975/66daf26812750.pdf
- http://sustainabilityconnections.co.uk/uploads/1/3/0/5/130544131/4198879.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006ab1.bin8acdb1875020380e472fed81a5bfe795b6dbf26fc7fb951652984577639f201d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AB1 | 8768 bytes |
font_01_sfnt_off00008c22.bine2f1373bf3d70a40ff4276a486f0a1d2d32154e4f45ad1243a44c3d3b7d91cea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C22 | 2652 bytes |
font_02_sfnt_off0000958b.bin287b852d1c1b0334c7d2ab49fe8ac8ac5488f6edefc3e00d5eee83c7048b9cc5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x958B | 16088 bytes |
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