MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious Link
T1566.002 Spearphishing Attachment
The PDF document contains a large number of external links, many of which are numerically or generically named, suggesting a link farm for SEO manipulation or malicious redirection. The document body, though heavily obfuscated, contains text related to a 'Sony vaio recovery center guide' and references 'wkhtmltopdf', indicating a potential lure to disguise the malicious intent. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://volunteerppgreatplains.org/uploads/1/3/1/6/131606059/131606059.html#sony+vaio+recovery+center+guide PDF link annotation
- http://3t2.undesirable.us/uploads/1/3/0/7/130740235/kowunijedapate.pdfIn PDF document text
- http://mx.hellojessicaann.com/uploads/1/3/0/3/130323302/9faf508b1.pdfIn PDF document text
- http://urbanintrigue.com/uploads/1/3/0/2/130289244/322653.pdfIn PDF document text
- http://awesomesandiegocleaning.com/uploads/1/3/0/6/130621832/bubalizubonufifizowa.pdfIn PDF document text
- http://mta-sts.davidhellams.com/uploads/1/3/0/6/130604685/bavajumekarole.pdfIn PDF document text
- http://wellnessreclamation.com/uploads/1/3/1/8/131871614/vawabagaxamaje.pdfIn PDF document text
- http://eleven11realty.com/uploads/1/3/1/4/131453980/gatamasedatarijubive.pdfIn PDF document text
- http://girlfriendspoweracademy.com/uploads/1/3/0/7/130776263/zisugujigilubin-dagefaxojagekem-kokajezazojub.pdfIn PDF document text
- http://southernplains.net/uploads/1/3/0/5/130542936/a4b42b.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d002.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD002 | 18128 bytes |
SHA-256: 6a8c4633191ae1ecea03b31e039799dff29403223db19f0257d1589d5e223208 |
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font_01_sfnt_off0000fdaf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDAF | 16084 bytes |
SHA-256: 428272cc0de905972d5a33e693eafe869e1c78d6c685a5dbeb07779450dd9e4a |
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