MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting it's designed to redirect users to malicious sites. The embedded URLs and the nature of the heuristics strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://mrcubezpieczenia.pl/app/webroot/media/files/77266771741.pdf In PDF document text
- http://logenamerica.com/userfiles/file/58640663508.pdfIn PDF document text
- http://tehla.eu/userfiles/file/84522282524.pdfIn PDF document text
- http://pass38.com/images/contentimages/files/87321839937.pdfIn PDF document text
- http://www.lasallelille.com/admin/ckfinder/userfiles/files/vigeturekalapofo.pdfIn PDF document text
- http://kooijobs.in/ckfinder/userfiles/files/6446858451.pdfIn PDF document text
- http://mtegl.wsystem.sk/userfiles/files/widawu.pdfIn PDF document text
- https://agriplan-rs.com/dados/ckfinder/files/budatizomozulusukav.pdfIn PDF document text
- https://wroclawmodelshow.pl/ckfinder/userfiles/files/6739261306.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/1613395f33176b---favelurasolemelekotad.pdfIn PDF document text
- http://mydreamtuscanwedding.com/editor_up/23541296874.pdfIn PDF document text
- https://drticket.ir/basefile/drtiketcom/files/japutukemes.pdfIn PDF document text
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/srjf7fc0rfnqgtvp0sg3k0bgq2/21190333014.pdfIn PDF document text
- http://worldsocialistpartyindia.org/ckfinder/userfiles/files/jazewis.pdfIn PDF document text
- http://debsecond.net/UserFiles/File/78366211040.pdfIn PDF document text
- http://topimmigrationlawyer.org/ckfinder/userfiles/files/gewimib.pdfIn PDF document text
- http://immobilieninvestors.org/userfiles/file/bususenorufamujivavikorod.pdfIn PDF document text
- https://naveenent.com/administrator/imagetemp/file/nevukewunomexu.pdfIn PDF document text
- http://capmar.eu/userfiles/file/beniwozip.pdfIn PDF document text
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/663p5k88q6q7o1gh8acv36f507/nivaruwirolizinapip.pdfIn PDF document text
- https://egca.fr/userfiles/file/lelozemilomojubesumeles.pdfIn PDF document text
- http://kmsenior.org/file/files/40049836943.pdfIn PDF document text
- https://licorne-hotel-restaurant.com/userfiles/file/wenexogusomix.pdfIn PDF document text
- http://cosmoscm.com/contents/files/65339117806.pdfIn PDF document text
- https://cncunse.com/d/files/69623118647.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=unturned+lights+idPDF link annotation
- 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_off0000c1db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1DB | 10352 bytes |
SHA-256: 206937695dd81f0d3f1a7b834464ad4660ed20c06a4634d0065ed811bf9dd630 |
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font_01_sfnt_off0000d8e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8E2 | 17028 bytes |
SHA-256: 83038a60f325579a0997a47afe4376b7dc9f634d310a3e776c2d4c74ae7f4981 |
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font_02_sfnt_off00010474.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10474 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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