MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs pointing to various domains, many of which are hosted on compromised WordPress sites or disposable hosting, suggesting a link farm or phishing lure. The presence of external URI heuristics further supports the attempt to redirect users to potentially harmful external content.
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 https://infrive.ru/uplcv?utm_term=friedel+crafts+reaction+pdf PDF link annotation
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a77d6dce415---77986574182.pdfIn PDF document text
- http://energo-winstal.pl/userfiles/file/kaseboregekumorivadez.pdfIn PDF document text
- https://aaaxxion.info/images/file/96409052752.pdfIn PDF document text
- http://kapli74.ru/upload_picture/82090444476.pdfIn PDF document text
- https://3drm.bg/uploads/pictures/files/96330745058.pdfIn PDF document text
- http://fecirturizm.com/resimler/files/labotexozozoziwo.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1607bbbda740b9---feveliso.pdfIn PDF document text
- http://sequirk.ie/userfiles/file/43145957915.pdfIn PDF document text
- http://cupta.org/userfiles/files/20210822070017.pdfIn PDF document text
- https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/3cdd06166b61b34b87d6ad4e286d8f76/88863851256.pdfIn PDF document text
- http://bobiniauto.com/userfiles/file/dakujoxepexebivogelepir.pdfIn PDF document text
- https://marosme.ro/hirek/file/vovixivedes.pdfIn PDF document text
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/mi3mmj58og8p7mkkgnmt508r37/92627671565.pdfIn PDF document text
- http://prime42.ru/userfiles/files/bewepalemedugosivoroved.pdfIn PDF document text
- http://omegapizza.net/uploads/files/50470153888.pdfIn PDF document text
- https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/c9a11fdcf077d3b858ae5a03078f4bee/89293502281.pdfIn PDF document text
- https://dennismaloney.ca/upload/editor/file/baxemuladavi.pdfIn PDF document text
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160960d7cadb80---zemebitaxexabajadezamegu.pdfIn PDF document text
- http://terralis.eu/catalogue_dynamique/file/rarudamamekexer.pdfIn PDF document text
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3eeac5f43---lowopajefopopafijak.pdfIn PDF document text
- http://ijdssymposium.eu/upload/35056129643.pdfIn PDF document text
- https://xo-sound.ru/userfiles/file/89609333107.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_off0000ba51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA51 | 10592 bytes |
SHA-256: 50d25a8af599d9c47b4870a63ef0bb06e15a972378cb4891722ec6d1c15e7a5e |
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font_01_sfnt_off0000d28e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD28E | 16296 bytes |
SHA-256: b34ad7a327c9cff7e25e58f408eac8f52ca552a3f050e674f5e954c17aff38f0 |
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font_02_sfnt_off0000fbdc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBDC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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