MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier indicating maliciousness. The presence of numerous embedded URLs, many pointing to disposable domains and link farms, strongly suggests a phishing or malware distribution attempt. While no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with common phishing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://catamma.ru/uplcv?utm_term=4g+icon+not+showing+on+android PDF link annotation
- http://betonkeritesek.eu/Content/files/sanimuxizipijep.pdfIn PDF document text
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/161433381351ee---babalulepewonamo.pdfIn PDF document text
- http://lnv-cnc.com/userfiles/file/demodo.pdfIn PDF document text
- http://businessplan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/posuvebeminer.pdfIn PDF document text
- http://tuning-zone.eu/userfiles/file/lewasekevumoj.pdfIn PDF document text
- https://watfordfairtrade.org/app/webroot/img/files/54441728311.pdfIn PDF document text
- https://kiaavcilar.com/upload/ckfinder/files/buwil.pdfIn PDF document text
- https://kiaavcilar.com/upload/ckfinder/files/besamalasoretupejodigu.pdfIn PDF document text
- https://sitycare.com/FCK-UserFiles/files/tutapejugavamaniperevuke.pdfIn PDF document text
- http://akademia-jedenastka.pl/zdjecia/fck/file/vinomojekowexoperukisopub.pdfIn PDF document text
- http://spokoino.ru/i/upload/files/nagavenoximubilifuriw.pdfIn PDF document text
- http://chocoenglish.com/_UploadFile/Images/file/15863239.pdfIn PDF document text
- https://confetti-seasons.ru/upload/files/xojeneradivomoxodunesife.pdfIn PDF document text
- https://bompentax.com/quangbasanpham/app/webroot/upload/image/files/pizatuwatibowowetod.pdfIn PDF document text
- https://digireg.at/upload/90500389004.pdfIn PDF document text
- https://inprovitmexico.com/ckfinder/userfiles/files/begilarago.pdfIn PDF document text
- https://gifarlcm.com/upfiles/editor/files/regafefazosoxapafoburawa.pdfIn PDF document text
- https://kungfuclasshongkong.com/louis/taichi/ckfinder/userfiles/files/vadafupebofer.pdfIn PDF document text
- http://chelseafoodmart.com/uploads/files/94677676503.pdfIn PDF document text
- https://limsurempat.com/contents/files/fomefopixonedogerewepot.pdfIn PDF document text
- http://school19-zav.ru/userfiles/file/nodixafikuxemodajizin.pdfIn PDF document text
- http://investbuild.ru/var/upload/file/ponuxevagefibugemo.pdfIn PDF document text
- https://maharajganjtimes.com/assets/ckfinder/core/connector/php/uploads/files/59179689008.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_off0000d77f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD77F | 18712 bytes |
SHA-256: aa0dba747a626126e3cbd5d1ac5be153be01d3355d750fa1556c60e6d6b4c3f9 |
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font_01_sfnt_off000107bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107BC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011fd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FD3 | 10536 bytes |
SHA-256: bec146568573bbe5377de20578b4ccddccb92a0f8edb5d8edac36c30f837fe77 |
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