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 a ML classifier and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to external sites, some of which are hosted on compromised CMS upload directories. The presence of multiple distinct hosts and the use of 'utm_term' parameters suggest an attempt to distribute malicious links or phish for information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://acrgruppe.de/userfiles/file/gedatuzuxuwiwobexiv.pdf In PDF document text
- http://ultraljud.nu/bild/files/voxodidi.pdfIn PDF document text
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609ed009330c2---fosorawulupifafakapufomop.pdfIn PDF document text
- http://raegcafe.com/uploads/files/tujedisipizeliminef.pdfIn PDF document text
- http://opgzvh.hr/upload/file/miwadiludiwoxizidoxu.pdfIn PDF document text
- https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd441bf595---nafubadobola.pdfIn PDF document text
- http://peusch.lu/userfiles/files/kizidovukimesukunor.pdfIn PDF document text
- http://lg-palette.com/upload/files/virodozejipiri.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/92l2ee9smhldd6n7fg0v6oajfr/78883194614.pdfIn PDF document text
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/bfeaa53996d3d0ec188b8e07c75eb081/zupazewefovofi.pdfIn PDF document text
- http://www.gpkoaee.ru/ckfinder/userfiles/files/riguzod.pdfIn PDF document text
- http://warraichmeats.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086667f087cb---69117089426.pdfIn PDF document text
- https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/15423977694.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/1kmi2jakt6sen9lc1q8m66lf75/7482082825.pdfIn PDF document text
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a25d0a8bfc4---437470342.pdfIn PDF document text
- https://jagamimpi.org/contents//files/30262771111.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1608019008c95d---96267490034.pdfIn PDF document text
- https://klubkanine.com/home/klub/public_html/ckfinder/userfiles/files/sovokanujokuzem.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/s08bftrr8ei8qici07f2i0jm9j/14228467249.pdfIn PDF document text
- http://aweibel.com/Photo/file/16689373070.pdfIn PDF document text
- http://vandervalk.reviews/app/webroot/files/userfiles/files/zisuwafaxej.pdfIn PDF document text
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/anvtrvcu5ocb4adv7gj3q3eeqb/nuwewuwejiwezowi.pdfIn PDF document text
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608f56d249bbf---85946782009.pdfIn PDF document text
- https://www.wflorlando.com/wp-content/plugins/super-forms/uploads/php/files/5478641ab2c5587adf44d6d23c693c32/wuvugawunamojofexaxuker.pdfIn PDF document text
- http://sbhs1967.com/clients/8/89/8985ce50e7417da620f75e2af787291b/File/31477128255.pdfIn PDF document text
- https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/81c4f527864dd841748ce8d44c67a79a/45874951488.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=what+are+some+capital+budgeting+techniquesPDF 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_off0000e50d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE50D | 11340 bytes |
SHA-256: 547d8865c490e1625d80979705e16b0028452f700956e89817c774bf57b63c6c |
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font_01_sfnt_off0000fed2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFED2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000116e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116E4 | 16428 bytes |
SHA-256: 288f7a6fae4f98f2bfe1a37a41e80c7f039f8f951367401cc38435713fdc8d60 |
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