MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of embedded external links, many of which point to PDF files hosted on various domains. This behavior is indicative of a link farm or a phishing campaign designed to direct users to potentially malicious content. The primary URL, http://74-123-77-204.mgwnet.com/uploads/1/3/0/2/130288811/130288811.html#contribution+to+the+concrete+strength+versus+water-cement+ratio+relationship, appears to be the main lure.
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://74-123-77-204.mgwnet.com/uploads/1/3/0/2/130288811/130288811.html#contribution+to+the+concrete+strength+versus+water-cement+ratio+relationship PDF link annotation
- http://citizensfirstfinancialgroup.com/uploads/1/3/0/7/130738504/kukojo.pdfIn PDF document text
- http://shakespublications.com/uploads/1/3/0/6/130640000/4411480.pdfIn PDF document text
- http://catherinebowen.com/uploads/1/3/1/0/131070733/kufilunosevivupobo.pdfIn PDF document text
- http://smoke7stars.com/uploads/1/3/1/4/131437246/134446.pdfIn PDF document text
- http://annemiekbailey.com/uploads/1/3/0/2/130289232/jodefopuwig-masepexitediku.pdfIn PDF document text
- http://howgills.net/uploads/1/3/0/7/130740027/5cb0856468.pdfIn PDF document text
- http://terrasouthlandcare.com/uploads/1/3/1/1/131164077/e21d3faa.pdfIn PDF document text
- http://skyeyesunmanned.com/uploads/1/3/0/4/130488979/5dae870bca.pdfIn PDF document text
- http://costarslive.info/uploads/1/3/0/4/130478484/demuroviw.pdfIn PDF document text
- http://elkhaart.com/uploads/1/3/0/7/130775002/fb61f47.pdfIn PDF document text
- http://homeshalfway.org/uploads/1/3/0/8/130814101/vetotabami.pdfIn PDF document text
- http://byerleystud.com/uploads/1/3/0/4/130435601/dikonowudadej.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 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000668b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x668B | 7824 bytes |
SHA-256: 00c6720b6aeec9cae528d6508ee898545d6f43694969c7afc0b89fefc6a90626 |
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