MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to disposable hosting services, suggesting a link farm designed to distribute other malicious files. The heuristic firings indicate a PDF link farm and a ClamAV detection for 'Pdf.Phishing.Trojan'. The embedded URLs and the overall structure strongly suggest a phishing or malware distribution scheme, likely using spearphishing attachments as the initial access vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://pistant.ru/pbw?utm_term=pirith+book+sinhala+pdf+free+download PDF link annotation
- https://rixapuboxexegat.weebly.com/uploads/1/3/4/3/134348256/tulemuzozar.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4461484/normal_606d42fee0d9e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382773/normal_5fd1c70e32ace.pdfIn PDF document text
- https://nopeludaseji.weebly.com/uploads/1/3/3/9/133986928/b69a4c2371631f.pdfIn PDF document text
- https://duloloju.weebly.com/uploads/1/3/7/5/137502516/rudozokuxus.pdfIn PDF document text
- https://pumewuku.weebly.com/uploads/1/3/4/6/134638235/10b221584bf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4443824/normal_605d5c5c0cb5a.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4444643/normal_60b1c2b903a42.pdfIn PDF document text
- https://fineruliji.weebly.com/uploads/1/3/4/3/134313455/wexoke_lasig.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4408323/normal_5fe24de21ea2b.pdfIn PDF document text
- https://wunaramalus.weebly.com/uploads/1/3/4/5/134576193/0f099d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445326/normal_6048582f7abf0.pdfIn PDF document text
- https://xedafiwiwez.weebly.com/uploads/1/3/2/3/132302754/pefupebofaje.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366044/normal_605fbb9a4b5ab.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366367/normal_6015887334ea2.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://zawepiko.pbworks.com/w/file/fetch/144547437/quelle_est_la_diffrence_entre_la_gendarmerie_mobile_et_la_gendarmerie_dpartementale.pdfIn PDF document text
- http://nerobedevu.pbworks.com/f/6322700036.pdfIn PDF document text
- http://zezimin.pbworks.com/w/file/fetch/144422472/can_you_give_someone_a_3_day_eviction_notice.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
- http://sinhala.sourceforge.net/In PDF document text
- http://sinhala.cvs.sourceforge.net/viewvc/*checkout*/sinhala/sinhala/fonts/CREDITSIn PDF document text
- http://www.gnu.org/licenses/gpl-2.0.htmlIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f1a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1A0 | 5424 bytes |
SHA-256: 87081ca1704173747fee5833be291e2cea2f27b78e5e50326dc259dbf1e7ec3b |
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font_01_sfnt_off000103da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103DA | 22304 bytes |
SHA-256: f221acf2bd14d82058feba6a68f2c30741c905ff0d2de176d889d84f049803e0 |
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font_02_sfnt_off00013977.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13977 | 12252 bytes |
SHA-256: 23315b9b86996bd35c42dd47c2634971bff6340af7d4d15a91de5cca20e39477 |
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