MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for executing malicious code. It also features numerous links pointing to compromised WordPress upload directories, suggesting a phishing or malware distribution scheme. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609c749e68a6a---muzezutimosimunaki.pdf In PDF document text
- http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c02cb944e2d---5194040308.pdfIn PDF document text
- https://eyetracking.pl/userfiles/file/68768954269.pdfIn PDF document text
- http://attep.com/home/sandbox/domains/heekee.com.hk/public_html/ckfinder/userfiles/files/40187170420.pdfIn PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb87e17a11---dovapuxurobekaxuluti.pdfIn PDF document text
- http://e-cluny.cz/UserFiles/file/44699611054.pdfIn PDF document text
- http://mixmarketing.vn/upload/fck/file/17810170550.pdfIn PDF document text
- http://www.alexgis.com/siteuploads/editorimg/file/zojib.pdfIn PDF document text
- https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/196ba93c7ce381923547185870f6ee65/63988449268.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e3972975a01---wifixosud.pdfIn PDF document text
- http://thallo-food.hu/uploads/ckfinder/userfiles/files/54106616863.pdfIn PDF document text
- http://golden-candies.ru/webroot/files/files/wedilaxarajoliz.pdfIn PDF document text
- http://arredamentoambienti.it/img/file/60565698982.pdfIn PDF document text
- https://obermeyer-modemarkt.de/upload/file/nezoxerajarowubixeb.pdfIn PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160750734afa74---vemeboxixupamidupoxan.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/b7afdf436268d8931ee8508a207ddad4/68737620710.pdfIn PDF document text
- https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/473013f8927ab4c6f8458efd5928f2d9/92187584594.pdfIn PDF document text
- https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/85ad7fc78efb693587834226aac298c6/65466865181.pdfIn PDF document text
- http://hglobaltour.com/FileData/ckfinder/files/20210709_E4BF699F642F0648.pdfIn PDF document text
- http://albarossa.jp/js/upload/files/78488156709.pdfIn PDF document text
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/4t5bjt24bofe5d79sb01ftl931/sazefuvaj.pdfIn PDF document text
- http://goldnumber.info/userfiles/file/69680104598.pdfIn PDF document text
- http://klm-co.ru/foto/ck/files/gatokuka.pdfIn PDF document text
- http://megalaserasia.com/upload///kuxewiriruruxuwageb.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=rosemary+oil+doterra+pdfPDF link annotation
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/41c96efd5cca267fd2e209eeef446166/jifatelaxuz.pdfIn PDF document text
- 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_off0000de02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE02 | 10716 bytes |
SHA-256: 0646b0d07f7b57572e22d95f6b98fa065b2bf982a335ec0914fb8712bff888d0 |
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font_01_sfnt_off0000f6a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6A4 | 20304 bytes |
SHA-256: 34f5b0270c8229f0eb11c1367682002316c495c1f7145107a4773123fe5a7116 |
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font_02_sfnt_off00012b97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B97 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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