MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm with numerous URLs pointing to compromised WordPress sites, likely intended to host malicious content or redirect users to phishing sites. Heuristics indicate a high likelihood of malicious intent, with ClamAV specifically detecting it as a phishing trojan. The ML classifier also strongly flagged the PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f3a4a02adb---73236051202.pdf In PDF document text
- https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/9d1c38b4986b9d4d02ab414b5ab54955/55261177955.pdfIn PDF document text
- https://szekszardportal.hu/userfiles/file/10602132272.pdfIn PDF document text
- http://astro2sphere.com/admin/images/file/5724307637.pdfIn PDF document text
- https://cbdc.co/uploads/ckfinder/userfiles/files/39712296173.pdfIn PDF document text
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b6136d5b139---xobani.pdfIn PDF document text
- http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a71a7358a4e---22810279437.pdfIn PDF document text
- http://www.greenbriarpropmgmt.com/wp-content/plugins/super-forms/uploads/php/files/67f5455aa4b5a456cfd480f7c0b58a99/6545583731.pdfIn PDF document text
- http://teechart.com/uploads/images/files/zutebozojiduloz.pdfIn PDF document text
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/737e51f91daf45a1108bb34c56341a69/govazadem.pdfIn PDF document text
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd4f9a0939f---togukirud.pdfIn PDF document text
- https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/5cmoi8cr2ta7m6csjlu6jc5n55/loxotozuwo.pdfIn PDF document text
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/16093d3546a3e3---96432740253.pdfIn PDF document text
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/9ad6b55bfcb2c80f507d53aa6df95e61/57774091417.pdfIn PDF document text
- http://kubabus.cz/novy-web/upload/file/zobudizujojidilemufelokoj.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16077ded456a25---83899842999.pdfIn PDF document text
- https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/f6571d0df00cee959baa9c5abb1df078/67635571028.pdfIn PDF document text
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/b3443eef8da1534235384acf6390b048/82974437431.pdfIn PDF document text
- https://aimhc.com/userfiles/file/bewejul.pdfIn PDF document text
- https://www.straightmyteeth.eu/wp-content/plugins/super-forms/uploads/php/files/51a2bf346ea47026566e1e45aaaeb312/kupomi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=comprehension+passage+for+class+8+with+answersPDF 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_off0000e987.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE987 | 16292 bytes |
SHA-256: 85abad30de72a27ac0706c5f622881e2d6480e1140575e66d13d6733b24f0833 |
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font_01_sfnt_off000113bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113BF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012bd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BD6 | 11252 bytes |
SHA-256: 83174c848999bd3ca77906f9d3bad7facf3d0488f888874eeec4fba19ebf704c |
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