MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous embedded links to external websites, disguised as free book downloads. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of these links, suggesting a link farm or SEO poisoning tactic. The ML classifier strongly flagged this PDF as malicious, and the presence of embedded URLs points towards a phishing or redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://andmerchant.org/uploads/1/3/0/2/130289332/130289332.html#spoken+english+books+free+download+in+telugu PDF link annotation
- http://jesseflynnlaw.com/uploads/1/3/0/3/130323175/c47b306befa7ef.pdfIn PDF document text
- http://www.simplyyogavancouver.com/uploads/1/3/0/6/130604527/1719291.pdfIn PDF document text
- http://craikpa.net/uploads/1/3/0/5/130590355/9443389.pdfIn PDF document text
- http://crankybaker.com/uploads/1/3/0/5/130540082/sezowebito-texiziguzidi-davolinon.pdfIn PDF document text
- http://salvis-pupusas.com/uploads/1/3/0/7/130740174/4332412.pdfIn PDF document text
- http://www.lechandelierdor.com/uploads/1/3/0/6/130639273/9904879.pdfIn PDF document text
- http://www.felicecasa.com/uploads/1/3/0/7/130740065/5784759.pdfIn PDF document text
- http://barbandcarl.com/uploads/1/3/0/3/130323425/mexawutejowaxat.pdfIn PDF document text
- http://www.michaelmoreaudesign.com/uploads/1/3/0/3/130313140/17e87b790d7b.pdfIn PDF document text
- http://trademorebonds.com/uploads/1/3/0/6/130604305/jovirumekup.pdfIn PDF document text
- http://www.nutribienline.net/uploads/1/3/0/5/130543784/4777752.pdfIn PDF document text
- http://www.mamkoo.com/uploads/1/3/0/5/130588876/02368652471b3c.pdfIn PDF document text
- http://www.ddiaries.com.au/uploads/1/3/0/8/130813614/6022a333f9ca2.pdfIn PDF document text
- http://paths2careers.com/uploads/1/3/0/5/130551257/3acca9f321086.pdfIn PDF document text
- http://ileadconsultancy.co.uk/uploads/1/3/0/4/130490915/672b4540f.pdfIn PDF document text
- http://pistoncleaner.com/uploads/1/3/0/5/130588651/953db6d65d5.pdfIn PDF document text
- http://claytonheightssportmassage.ca/uploads/1/3/0/3/130379164/49e7f7.pdfIn PDF document text
- http://sarahelizabethhurley.com/uploads/1/3/0/2/130272080/lavuwe.pdfIn PDF document text
- http://www.constructionstudy.info/uploads/1/3/0/7/130775884/518852.pdfIn PDF document text
- http://wildwrenfarm.com/uploads/1/3/0/4/130490193/4c21cc52a415ca.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://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_off0000c315.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC315 | 9448 bytes |
SHA-256: 319b03638d3cba5024d7de3c6de882a12cf347338cec74975ad9d85cfdf5a839 |
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font_01_sfnt_off0000e64d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE64D | 16028 bytes |
SHA-256: ca889182d22413b1a5b6446cd5d954c095bfc2c8b2fec1022b19199100617195 |
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