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 pointing to compromised CMS upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs, while some are marked benign, are part of a larger pattern of directing users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9931
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://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/3006316517bc05c4fd21d4e72f060766/novixadapulavuk.pdf In PDF document text
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/ggf3fqhbvn9bc727g33rdu7a00/1363629614.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/16095732372ef4---80691335002.pdfIn PDF document text
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607683805accd---58978563236.pdfIn PDF document text
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/b44218314e35efd14cab7b608451c4fb/muxevejifid.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074180c757d7---tunazaja.pdfIn PDF document text
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/1607f30b743bf8---xizudidekered.pdfIn PDF document text
- http://bettynblue.com/upload/fck_img/20210509/file/mejenufadowowunuleka.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/venogu.pdfIn PDF document text
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160736a6c31ff0---39417626183.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3dcbec1b03---funebororo.pdfIn PDF document text
- https://twfern.org/upload/ckfinder_temp/files/20210528103014.pdfIn PDF document text
- http://jjburgerut.com/uploads/files/61432195861.pdfIn PDF document text
- http://firegallery.ru/img/upload/pukulivotisot.pdfIn PDF document text
- https://barcelonacentremedic.cat/files/galeria/files/3111470954.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/564003744.pdfIn PDF document text
- https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/7008cebd026e02c11eadd3e5576fbb87/72992030049.pdfIn PDF document text
- https://xuantruongtech.com/images/ckeditor/files/32287245521.pdfIn PDF document text
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3c3b4db342---zularufowirexuwonad.pdfIn PDF document text
- http://opusincertum.it/userfiles/files/lidosifo.pdfIn PDF document text
- http://riversedgefm.com/files/file/81133269789.pdfIn PDF document text
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606f483d67798---fafewezupuvumesaviwis.pdfIn PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbb93ac53c7---93004407606.pdfIn PDF document text
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/392e4h76hva4mava5m3qae7lm0/nawuxizelusavekadub.pdfIn PDF document text
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/3cb7684367ab40a2c5946ecbb587be16/67007543813.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=london+to+cancunPDF 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_off00015252.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15252 | 9884 bytes |
SHA-256: 921cb9909bbc4fcac5469cac138f31af1eb6f98c3c5c343ce5aecca4ed4d79a5 |
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font_01_sfnt_off0001682f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1682F | 19356 bytes |
SHA-256: a8936b8f3fd2e934d44295c676d2ca1c8d5d320673aea6dcc39796dc64361c5c |
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font_02_sfnt_off000199cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x199CB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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