MALICIOUS
112
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains multiple external links, with a significant number pointing to domains that appear to be part of a link farm designed for SEO manipulation. The presence of urgency and download button lures, combined with the suspicious link farm, indicates a phishing or redirection attempt. The document body, though heavily obfuscated, contains text related to 'Gbox mx2 update' and references to wkhtmltopdf, suggesting a potential lure for a software update, which is a common social engineering tactic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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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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://pbjconstructionllc.com/uploads/1/3/0/6/130621359/130621359.html#gbox+mx2+update PDF link annotation
- http://folkvangr.online/uploads/1/3/0/2/130271121/deb280358.pdfIn PDF document text
- http://mohawklumbercom.com/uploads/1/3/0/6/130639621/wafipi.pdfIn PDF document text
- http://honnackerlanguageservices.com/uploads/1/3/0/2/130289553/rosebegowoxu.pdfIn PDF document text
- http://aukistay.com/uploads/1/3/0/5/130550809/7982819.pdfIn PDF document text
- http://freebirdtourandtravel.com/uploads/1/3/0/6/130620998/vijaw-gixatafazil-subeleb.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000075cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75CD | 8220 bytes |
SHA-256: 9516542181b4d87403ee16e61fb27fe2058ac93eb23f116fa728d7f59afa2b95 |
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font_01_sfnt_off00009573.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9573 | 1708 bytes |
SHA-256: 83459e82cebe561b9e65dda6a09953c9e35f75e5df0fa62a624e1833cc5b8086 |
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