MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with many URLs pointing to PDF files hosted on various domains. The document body also contains urgency language, suggesting a lure to click on these links. One of the extracted URLs, http://bike-workx.de/uploads/1/3/1/6/131636755/131636755.html#guapdf+full+version+software, appears to be the primary lure. No scripts were extracted, limiting the analysis of direct payload execution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 5
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://bike-workx.de/uploads/1/3/1/6/131636755/131636755.html#guapdf+full+version+software PDF link annotation
- http://zomgzahedis.com/uploads/1/3/0/2/130272877/6638751.pdfIn PDF document text
- http://scrubs4work.com/uploads/1/3/0/6/130604636/020b853be5ce8.pdfIn PDF document text
- http://autodiscover.hamiltonspuremaple.com/uploads/1/3/1/3/131379700/47d946d4a1.pdfIn PDF document text
- http://drcrystaljensen.org/uploads/1/3/0/5/130552043/1709679.pdfIn PDF document text
- http://sefv.jigsaw-group.co.uk/uploads/1/3/1/4/131452839/bupijifudeb_punakazafisa_resitusa.pdfIn PDF document text
- http://zoelle.net/uploads/1/3/0/2/130288731/2963891c57f051.pdfIn PDF document text
- http://rominagarrido.com/uploads/1/3/0/6/130604213/relenuzikomazol.pdfIn PDF document text
- http://cpanel.ashleymartinportfolio.com/uploads/1/3/0/6/130621720/vizakitukanolo.pdfIn PDF document text
- http://ba1d0.bpmtc.com/uploads/1/3/0/8/130814001/ganaz.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://steele.dss.ucdavis.edu/uploads/1/3/1/4/131407144/5ada3acda1b7a0c.pdfIn 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
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009dfc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9DFC | 10272 bytes |
SHA-256: 77a9e15fae9805626b0c2fe0d9579396648fa38baf0348fad763963a0a0fbc68 |
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