MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF document containing numerous links to compromised WordPress sites. Heuristics indicate these are link farms hosted on disposable or compromised domains, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to the PDF.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 detection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608495f44ab02---68615563227.pdf In PDF document text
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/bd1aa01a9b07a69b98a0cce010b7c9bc/4696082980.pdfIn PDF document text
- http://birnagarcollege.in/userfiles/file/97713561100.pdfIn PDF document text
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/f6df7ab34c22742e2f54c410b9a92917/samudiloxomu.pdfIn PDF document text
- https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/l2rn66efab567ke3vp3b6o1540/pajugugoza.pdfIn PDF document text
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/cbfc34d8e7f0463c5f02923c64514ee7/51822517325.pdfIn PDF document text
- http://esoftland.com/userfiles/file/gefude.pdfIn PDF document text
- https://orldoc.ch/wp-content/plugins/super-forms/uploads/php/files/94hkicdccf2712n2c6ct38onv1/xopamaj.pdfIn PDF document text
- https://tenshinorchids.com/FCKeditor_upload/file/foren.pdfIn PDF document text
- http://cy2hand.com/userfiles/sadowumedazexejenufuzix.pdfIn PDF document text
- https://svetpoznaniyaonline.ru/wp-content/plugins/super-forms/uploads/php/files/dddbed604797fcfd6a355dcbe05d0a77/56957472653.pdfIn PDF document text
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/16088ab9daa7e3---gubuw.pdfIn PDF document text
- http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c289b21227f---90368354112.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160792744c4756---46794261731.pdfIn PDF document text
- https://www.rekalibracija.com/wp-content/plugins/super-forms/uploads/php/files/e811d6989df28471dc21f972c46c547d/bimagenevafakinidame.pdfIn PDF document text
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/3b5cea7538fb15e1990fa8f9c1165d77/66809545824.pdfIn PDF document text
- http://duda-tech.pl/dudatech/upload/file/jazajaw.pdfIn PDF document text
- http://cy2hand.com/userfiles/19707892769.pdfIn PDF document text
- https://viessmannboilers.ca/fck_upload/file/rotufusepaponazesomosurel.pdfIn PDF document text
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076238187768---pemidipijilazugozete.pdfIn PDF document text
- http://luatsuphutho.com/upload/ck/files/12414176693.pdfIn PDF document text
- http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/srctng0nld9e4f21bq7j69r0r9/jekuvamajapoboxifizuruv.pdfIn PDF document text
- http://angelescare.com/userfiles/file/robuzodunisufozodeligu.pdfIn PDF document text
- https://edu-mate.kr/_UploadFile/Images/file/20291509646.pdfIn PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16086aa8d35e04---23197071932.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=lacan+mirror+stage+pdfPDF 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_off0001896c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1896C | 19868 bytes |
SHA-256: 180e8978ae05b51deff95e4d232f7d82efd069d39c9887c606a3ea4c16aa5b61 |
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font_01_sfnt_off0001bc7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1BC7E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001d495.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D495 | 10872 bytes |
SHA-256: 91df066c72782af1f2f8df0e96340a4f95673ace5fd7c4d10c551254112f154e |
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