MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many of which point to SEO-optimized content, suggesting a link farm or phishing lure. The heuristic PDF_SEO_LINK_FARM and PDF_SEO_UTM_REDIRECTOR_LINK indicate a malicious intent to redirect users to potentially harmful websites. The ML classifier and ClamAV detection strongly support the malicious verdict, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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 https://bologen.ru/award?keyword=java+8+lambda+expression+tutorial+pdf PDF link annotation
- http://idealica-italy.site/tokyo_ghoul_manga_box_set_1-16l4a0z.pdfIn PDF document text
- http://texno3ua.com/pelawetekemabegusuzi7lqxe.pdfIn PDF document text
- https://pepadamive.weebly.com/uploads/1/3/4/4/134468065/3feacd60c7.pdfIn PDF document text
- https://lideteli.weebly.com/uploads/1/3/0/7/130775407/1041577.pdfIn PDF document text
- http://vujavapekebabop.66ghz.com/12637112472.pdfIn PDF document text
- https://dirogine.weebly.com/uploads/1/3/0/7/130775503/foruxa.pdfIn PDF document text
- https://webunufilijamo.weebly.com/uploads/1/3/4/6/134677486/2577207.pdfIn PDF document text
- http://idclick.cash/88837926971z53je.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/nodetuxapabara/85742487662.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/04ac13b9-0ff5-413f-8fa0-0a3bc3f3d4c3/82595669424.pdfIn PDF document text
- http://fogepejil.epizy.com/lifopexuxipozedugonemulam.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/afdfde9f-9cb3-464a-ae04-f8fd2f481c8b/91259557426.pdfIn PDF document text
- https://s3.amazonaws.com/jalasilunaz/movigimadeji.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0ff5bc05-ed99-4166-b077-8726b6612067/pojirimesoda.pdfIn PDF document text
- https://s3.amazonaws.com/kigavanus/top_navratri_bhajans_free.pdfIn PDF document text
- http://sofiveza.rf.gd/xubegifogojafizuxerevaz.pdfIn PDF document text
- https://s3.amazonaws.com/dakebesuvum/26491746855.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f2177f38-f5cd-4607-a46e-c4a5b92e980f/44485455959.pdfIn PDF document text
- https://s3.amazonaws.com/wupagivoz/what_causes_dry_patches_of_skin_on_your_face.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/00285451-c945-4b13-a925-0a63cde7c8bf/dizametilobujipujovale.pdfIn PDF document text
- http://sojizodujibibo.epizy.com/saad_lamjarred_ghaltana_ringtone.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ff74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF74 | 5640 bytes |
SHA-256: bea1c2cc95cf59672e5754aefa1f1c2d2c18683f34c89ea726a874120d861ae6 |
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font_01_sfnt_off00011291.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11291 | 10752 bytes |
SHA-256: e76ed4500a3d974caba7a5d8eb162e5d4205a0a570ffd9e6d0a9c9c3da586887 |
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