MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with multiple URLs pointing to compromised websites or disposable hosting, suggesting a phishing or malware distribution scheme. The document body was unreadable, but the presence of numerous external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly indicate the document's purpose is to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://irlanc.ru/uplcv?utm_term=wien%27s+displacement+law+of+radiation PDF link annotation
- https://indiansabroad.uk/userfiles/file/rumuresovulukuputidelorat.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/161609f45610af---funujofugokidabozula.pdfIn PDF document text
- https://minjar.mebel18.com/uploads/files/43165840075.pdfIn PDF document text
- http://aibasylhet.edu.bd/app/webroot/ckfinder/userfiles/files/40272187942.pdfIn PDF document text
- http://gatewayhotelbangkok.com/upfile_hotel/files/96346309297.pdfIn PDF document text
- http://thegioioto.store/upload/files/gogovulefixubabul.pdfIn PDF document text
- http://superfishinglewood.com/uploads/files/jibapogal.pdfIn PDF document text
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/aac1f6154b2513c34b94590e58a22e75/97734269990.pdfIn PDF document text
- https://kiaavcilar.com/upload/ckfinder/files/magitutigalovavisikizaju.pdfIn PDF document text
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/5pbld5cb5v31htejlo2mb36lfd/lesulumafaxuwivujewa.pdfIn PDF document text
- http://uitvaartverzorgingsindex.nl/images/uploads/zevigori.pdfIn PDF document text
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/oue55m4gnof9hnjc7f5kh8ms83/sedadazi.pdfIn PDF document text
- http://altus.pl/userfiles/file/fumonawurobazapubofola.pdfIn PDF document text
- https://nibrasimansch.com/userfiles/files/62566677619.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/1e77f0273915d06b46ce8f2a5464ee71/lunod.pdfIn PDF document text
- http://toszegisuli.hu/userfiles/file/45961992128.pdfIn PDF document text
- http://www.specemc.ru/upload/files/61515348612.pdfIn PDF document text
- http://chinhlytailieuluutru.com/media/ftp/file/86831036974.pdfIn PDF document text
- http://btsoft.vn/uploads/files/29351055519.pdfIn PDF document text
- https://atvatextile.com/upload/ckfinder/files/kurojebenalovukunugat.pdfIn PDF document text
- https://chemainus.gocascadia.com/images/cms/file/28544946051.pdfIn PDF document text
- https://olajpark.hu/files/files/87381589650.pdfIn PDF document text
- https://kirmatas.com/userfiles/file/fukotopijekodadipusotep.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_off0000d32b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD32B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eb42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB42 | 10892 bytes |
SHA-256: ba55580dba77561b6461cc64fa0dea71352643402390c100fc9fe4c13676492c |
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font_02_sfnt_off0001048a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1048A | 18688 bytes |
SHA-256: 542f197980850d3ae245c0751f805bef86437981149144c46c16326f5abc38d3 |
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