MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics indicate the PDF functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS uploads. The presence of numerous unknown URLs suggests a phishing or malware distribution campaign.
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 http://lycee-elm.org/userfiles/file/12821324009.pdf In PDF document text
- https://akemi.ro/hirek/file/50921109937.pdfIn PDF document text
- http://kurskodkb.ru/page_edit/_samples/userfiles/files/libofir.pdfIn PDF document text
- http://konsultacjenaukowe.eu/Upload/file/wavasiroda.pdfIn PDF document text
- http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/3fac1adbc8a816ac44bd8fbc1bd858ad/zixadoguzek.pdfIn PDF document text
- https://aventura-agence.lu/userfiles/files/gapuloketurimoz.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/fe1kj09d8s925jh0vncq10hv5k/11728088336.pdfIn PDF document text
- http://flexa.cz/docs/file/2530861593.pdfIn PDF document text
- http://oaklandscreche.ie/userfiles/files/14608781386.pdfIn PDF document text
- https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/e86f9cdf95616cd416ee56bec9511073/99458032660.pdfIn PDF document text
- http://connect-event.fr/ckfinder/userfiles/files/buxarorejapozitirunof.pdfIn PDF document text
- http://fszhenjia.com/upfolder/e/files/20210710115832.pdfIn PDF document text
- https://semot.com/Store/userfiles/file/53229980600.pdfIn PDF document text
- https://anfauglir.com/images/file/fozagobufo.pdfIn PDF document text
- http://pantryscan.com/123cars/imagefck/file/38644016655.pdfIn PDF document text
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/p3k0f3828q4a530okmpsrnbs94/zoxuz.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/svq38bi4hlqvsb1hp8coemtoi0/fenobifuxa.pdfIn PDF document text
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c9972e9eefb---96832796354.pdfIn PDF document text
- https://izometal.net/mm/file/kuweronadeguwufu.pdfIn PDF document text
- http://russia-ex.com/images/blog/file/60752002457.pdfIn PDF document text
- http://abnicum.com/files/file/78059164619.pdfIn PDF document text
- http://zaun-produzent.de/userfiles/file/61248925543.pdfIn PDF document text
- http://dailycan.com/userfiles/files/28157672880.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=inspector+calls+important+quotes+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_off0000d343.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD343 | 17660 bytes |
SHA-256: 9ba475666f8590285c955a8933e9649aaba50a878a0356371c1529ccb3516ab7 |
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font_01_sfnt_off0001010a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1010A | 10976 bytes |
SHA-256: 211d66cdfce3eb67f9f0cc8650ce8e6cd8dc59e7e71cda18f45d1cff7b12f343 |
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font_02_sfnt_off00011a3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A3D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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