MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The primary URL, http://holanomadas.com/uploads/1/3/0/8/130874238/130874238.html#corporate+finance+jonathan+berk+peter+demarzo+solutions, appears to be part of a link farm designed to drive traffic to various other PDF files hosted on unrelated domains. This suggests a malicious intent, possibly for SEO poisoning or to distribute further malware. No scripts were extracted from this sample.
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://holanomadas.com/uploads/1/3/0/8/130874238/130874238.html#corporate+finance+jonathan+berk+peter+demarzo+solutions PDF link annotation
- http://morganelizabethporter.com/uploads/1/3/0/4/130436439/ae0a6ec17d4e9b.pdfIn PDF document text
- http://propagandaculture.com/uploads/1/3/0/6/130639977/funosamazerejijav.pdfIn PDF document text
- http://talesfromalongtheway.com/uploads/1/3/0/7/130739658/beloxotumaf.pdfIn PDF document text
- http://www.quiltingcreationsbyamelia.org/uploads/1/3/0/3/130313590/mebogiviriwewo.pdfIn PDF document text
- http://bassania.org/uploads/1/3/0/7/130776493/vekoj-bukijavuxiru-mojovaxewitaju-xuwunona.pdfIn PDF document text
- http://robertletstalk.com/uploads/1/3/0/5/130551378/2884b3055.pdfIn PDF document text
- http://radiance4me.com/uploads/1/3/0/7/130774964/pexipukaru-didixojufomed-sekufepufi-xexawalavuki.pdfIn PDF document text
- http://scarboroughdispensary.com/uploads/1/3/0/4/130483338/tumebar.pdfIn PDF document text
- http://northvanmucisacademy.com/uploads/1/3/0/9/130969695/legurafubovolovusum.pdfIn PDF document text
- http://ogino-mpe-lab.dana-farber.org/uploads/1/3/1/4/131406714/5097261.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
🗂 Part of campaign:
bassania.org
3 samples
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000069ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69ED | 8344 bytes |
SHA-256: bc209aa7d50f26a667dc9d391d744e53904b1fdd3955e86ef737e4608843af9b |
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