MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs, with one specifically identified as part of a link farm on disposable hosting, suggesting a phishing or credential harvesting attempt. The PDF structure and embedded URLs point towards a spearphishing attachment delivery vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 5
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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 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/uplcv?utm_term=aplikasi+edit+video+free+tanpa+watermark PDF link annotation
- http://energosol.pl/images_cms/file/74456792337.pdfIn PDF document text
- http://www.jysunshine-hotel.com/up_files/file/toxuveburixasuponurodu.pdfIn PDF document text
- https://tomclarkvoiceovers.com/userfiles/files/91077413650.pdfIn PDF document text
- https://www.supremecaravans.com.au/application/third_party/ckfinder/userfiles/files/25291998493.pdfIn PDF document text
- http://hexindechem.com/upload/files/5549386879.pdfIn PDF document text
- https://hiroyoung.com/data/files/vowebiboxovukexa.pdfIn PDF document text
- http://affordableadobe.com/ckfinder/userfiles/files/33540407426.pdfIn PDF document text
- http://onsijsselstein.nl/userfiles/files/pikoxilijimubaguj.pdfIn PDF document text
- http://odpadykj.cz/UserFiles/File/1788517143.pdfIn PDF document text
- https://trisyscom.com/userfiles/file/88885403580.pdfIn PDF document text
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16139c8d977448---gudilajanevafinajirora.pdfIn PDF document text
- https://shih-tzu.ro/files/file/guvosexosugimedepuxize.pdfIn PDF document text
- http://nattuvaartha.com/assets/ckfinder/core/connector/php/uploads/files/71706440639.pdfIn PDF document text
- http://mrybalko.ru/files/tapifotowudixafof.pdfIn PDF document text
- https://dunakanyarfesto.hu/ckfinder/userfiles/files/5958204475.pdfIn PDF document text
- https://f2h63c2.ip4secure.net/upload/files/revewisoluka.pdfIn PDF document text
- http://rustproofingottawa.com/userfiles/file/8154115281.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/4da7baa30a17d8785b6dd26ad43eb366/57304683380.pdfIn PDF document text
- http://nfrostov.ru/upload/files/vurafimasu.pdfIn PDF document text
- http://saiprogetti.net/userfiles/files/29220709949.pdfIn PDF document text
- http://personal.sut.ac.th/chantira/port/ckfinder/userfiles/files/kakaxarometajowamowavomol.pdfIn PDF document text
- http://amadpich.com/userfiles/file/suvoresibefinubag.pdfIn PDF document text
- http://op-gold.com/ck_image/files/luvenapobulolilolijusal.pdfIn PDF document text
- https://samajsutra.com/userfiles/files/54116282489.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eb11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB11 | 17140 bytes |
SHA-256: 225394b3e3707edb6bf546552b01980491c1f52c646fde70a77774e32b80c343 |
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font_01_sfnt_off00011770.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11770 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012f87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F87 | 10884 bytes |
SHA-256: 90ab6cf28a5d485cfc4f919a82dc4dd153046738ca9d1ce2c69b101f739bef3d |
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