MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of external links, many of which are hosted on disposable domains and appear to be part of a link farm designed to attract traffic. The primary external URL, 'https://synerhu.ru/pbw?utm_term=case+in+point+book+pdf+free+download', suggests a lure for free book downloads, which is a common tactic for phishing or malware distribution. ClamAV detection and ML classification strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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://synerhu.ru/pbw?utm_term=case+in+point+book+pdf+free+download PDF link annotation
- https://wejanorop.weebly.com/uploads/1/3/2/3/132303338/lonotabet_reluzer_putadakemim.pdfIn PDF document text
- https://kawotubizon.weebly.com/uploads/1/3/1/8/131871780/golelu.pdfIn PDF document text
- https://salizobujexi.weebly.com/uploads/1/3/5/3/135325558/xarejajutazetomes.pdfIn PDF document text
- https://malabukepi.weebly.com/uploads/1/3/0/9/130969546/e4f9ab4b0f.pdfIn PDF document text
- https://maxedojose.weebly.com/uploads/1/3/1/4/131452800/vesudexogizozeb.pdfIn PDF document text
- https://kulaxebide.weebly.com/uploads/1/3/2/3/132302774/d3ef32c96f2439.pdfIn PDF document text
- https://busejupeguwija.weebly.com/uploads/1/3/0/7/130740624/f6b614fbc.pdfIn PDF document text
- https://wifitesoxu.weebly.com/uploads/1/3/4/6/134631177/6484520.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/e508c404-4490-4f8d-bb7f-4acecccadf1d/dakadujatoxaka.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f726b0cf-d1ad-4b1c-93e7-5a9f1cc16540/fanek.pdfIn PDF document text
- http://ziludezubeju.pbworks.com/f/36913757762.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3a036386-0ac7-4706-b0fa-3bedca67e589/kalevita.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d117da4d-ec62-47a6-9eee-bbcc66dc8268/moleb.pdfIn PDF document text
- http://fujiserefi.pbworks.com/w/file/fetch/144591504/is_summertime_saga_available_for_iphone.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b0f6c7ab-79b0-470d-9c18-31e0c34c5c21/kimunogokilisidogu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/12683e8b-f483-4c73-ab63-778c3c9cdc0c/ga_lottery_crushers.pdfIn PDF document text
- http://fukibaso.pbworks.com/w/file/fetch/144750591/dont_worry_be_happy_tamil_album_song_mp3_free_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/758772b3-b1d3-4aa7-91b0-d0e8e61ffe90/99397815977.pdfIn PDF document text
- http://sajateves.pbworks.com/f/how_to_change_sms_center_number_in_lenovo_k8_plus.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_off0000d23a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD23A | 5236 bytes |
SHA-256: 0ea22d7e48e3b8cf78158edd0c91eba88eefd70f8c28395bc39a3ba94525b8f2 |
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font_01_sfnt_off0000e425.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE425 | 10072 bytes |
SHA-256: c2176beb58b2ca16c3e23a2ee21742311ad451cd753f7854a2c28e2863f15a45 |
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