MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics indicate it functions as a link farm, directing users to multiple external URLs, some hosted on compromised CMS platforms. The presence of numerous unknown URLs suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://www.cerel.eu/images/wyswig_images/file/91056097097.pdf In PDF document text
- http://palyavalaszto.hu/teszt/upload/file/biwopalazipel.pdfIn PDF document text
- http://bookblog.kr/data/file/files/dojifizimi.pdfIn PDF document text
- https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/fa4f2d539171b19fc26a9707c37897f0/bawofagixokovavuv.pdfIn PDF document text
- http://kunbot.com/upload/files/91849056296.pdfIn PDF document text
- http://jjburgerut.com/uploads/files/64586856816.pdfIn PDF document text
- https://garnet-medical.com/userfiles/files/92041626182.pdfIn PDF document text
- https://ijmscr.com/ckfinder/userfiles/files/73441278203.pdfIn PDF document text
- https://hanomanberjaya.com/contents/files/68801594440.pdfIn PDF document text
- https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/rslhntbvgkbkjcq69suupcquh7/monejibusefasefepilopoza.pdfIn PDF document text
- https://radio-clipa.ro/userfiles/file/jenaxidat.pdfIn PDF document text
- https://dennismaloney.ca/upload/editor/file/31484628884.pdfIn PDF document text
- http://terezmisszio.eu/files/file/tekufuxugafepinub.pdfIn PDF document text
- http://elitaliaweb.it/upload/file/3682370257.pdfIn PDF document text
- https://nolimitscenter.be/peausitive/images/FCKeditor/file/91533730541.pdfIn PDF document text
- https://mjrspot.com/fckimages/file/5322525591.pdfIn PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142cc5fc9bc7---giwugazik.pdfIn PDF document text
- https://egyiksem.hu/uploads/file/momofazevum.pdfIn PDF document text
- http://kabaretyimpresariat.pl/Upload/file/7604962174.pdfIn PDF document text
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1614476f647dd0---43217232352.pdfIn PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613a512f2f2d8---visezerovutisazumitare.pdfIn PDF document text
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613a5c2fba99e---47413188397.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=buying+fake+instagram+followersPDF 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_off0000dfc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFC1 | 18204 bytes |
SHA-256: 664efa96172679017374f4e42a0cfc86994744ac6cc0079041ae3c539c348e85 |
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font_01_sfnt_off00010f8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F8D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000127a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127A4 | 11000 bytes |
SHA-256: 6279cd92df734c77ba9622d08aa95749a8ae75b3ac1e727e3a440cd091bb1b7e |
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