MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The presence of numerous links pointing to external resources, many hosted on compromised CMS uploads or disposable domains, suggests a phishing or malware distribution scheme. The 'utm_term' parameter in one URL indicates a potential SEO poisoning or clickbait lure to download content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://aldea.work/wp-content/plugins/super-forms/uploads/php/files/d609ae4605b27a90ff132d2b3855b5dd/33516043439.pdf In PDF document text
- https://matrixx.lu/images/wokiler.pdfIn PDF document text
- https://darkoyunpin.com/calisma2/files/uploads/gasusune.pdfIn PDF document text
- https://saintarseny.ca/sites/saintarseny.ca/files/file/tofega.pdfIn PDF document text
- http://tatugigo.com/ckfinder/userfiles/files/87945098415.pdfIn PDF document text
- http://sxsasa.org/images_fck/file/1630978230.pdfIn PDF document text
- http://computergramm.com/userfiles/file/92664995169.pdfIn PDF document text
- http://drumlockingclamp.com/FCK_Editor_Images/files/wuwapiw.pdfIn PDF document text
- http://harckocsik.hu/userfiles/file/jilulug.pdfIn PDF document text
- http://security-m.jp/tool/images/file/75944586067.pdfIn PDF document text
- http://hdurmuslar.com/images_upload/files/85927262185.pdfIn PDF document text
- http://thechelseaff.com/user_uploads/files/givivizurarunu.pdfIn PDF document text
- http://fratellibeninca.com/images/file/19062642009.pdfIn PDF document text
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/7ac32a646ed9f61b19afe1b85bb80078/semusowobokipiron.pdfIn PDF document text
- http://anpharma.net/upload/files/gijobesomive.pdfIn PDF document text
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1613c80a961ea1---gibub.pdfIn PDF document text
- https://aptitudeclass.com/ckfinder/userfiles/files/78838605030.pdfIn PDF document text
- https://megashina24.ru/files/files/wilaxilusefuzu.pdfIn PDF document text
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb765b1e8c---57384561065.pdfIn PDF document text
- https://plasy.com/uploads/file/pojiniliran.pdfIn PDF document text
- http://hai-bi.com/uploads/files/202109040211234287.pdfIn PDF document text
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612f92dc245fa---43548041024.pdfIn PDF document text
- http://thumpamonpally.com/userfiles/file/80285945936.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=download+spiderman+3+game+full+version+for+androidPDF 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_off0000db77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB77 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f389.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF389 | 18636 bytes |
SHA-256: 4849f90973d84f075b96d04e62772d51d5967890066e717685534ff7cb7f4380 |
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font_02_sfnt_off00012460.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12460 | 11168 bytes |
SHA-256: 6a7e2b3525625581d9ee366c63130c50194005f68319b4f2868598b820fc3e56 |
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