MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities or delivering malicious content. The presence of multiple external URIs, many pointing to compromised WordPress sites and link farms, strongly suggests a phishing or malware distribution campaign. The ML classifier and ClamAV detection further confirm the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614744380fbee---rasomabisudilisoluvelab.pdf In PDF document text
- https://artistprasanna.com/userfiles/file/dawakovefigefusoxi.pdfIn PDF document text
- http://phupmirpol.pl/userfiles/file/66736564830.pdfIn PDF document text
- http://metapolar.hu/tmp/gafarurixesogenevalajede.pdfIn PDF document text
- https://fidelishospice.com/ckfinder/userfiles/files/61699489126.pdfIn PDF document text
- https://alusol-kw.com/ckfinder/userfiles/files/73073264836.pdfIn PDF document text
- https://serrechevalier-skifun.com/imagesfile/20739380509.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/161447c2f4e20f---28855082540.pdfIn PDF document text
- https://weborder.cloud/userfiles/file///dinesudikusinetuzi.pdfIn PDF document text
- https://www.syria-report.com/sites/all/libraries/ckfinder/userfiles/files/jewemipoxuxutet.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614b1d8857341---judaniwozotidaweb.pdfIn PDF document text
- http://maksimetall.ru/files/jokesezodamudisinibale.pdfIn PDF document text
- http://mindentudor.hu/userfiles/file/44095660458.pdfIn PDF document text
- http://bikipvuikhoedep.com/app/webroot/files/editor_upload/files/31607349590.pdfIn PDF document text
- http://strategie-online.net/catalogue_dynamique/file/kekamede.pdfIn PDF document text
- https://pezenasenchantee.fr/userfiles/file/migabuvumani.pdfIn PDF document text
- https://www.hippocratio.gr/ckfinder/userfiles/files/75187915696.pdfIn PDF document text
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/915dfe2c968b3f94b0f992257cb9b1f8/98385101106.pdfIn PDF document text
- http://araratmebel.ru/img/file/bazuziwatobikumidow.pdfIn PDF document text
- https://h1t-url12shio-turbo.com/contents/files/sofog.pdfIn PDF document text
- https://bodzlomu.com/userfiles/file/77923515540.pdfIn PDF document text
- http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc66549f3f---77860974401.pdfIn PDF document text
- http://www.palmettoexpresslanes.com/system/js/back/ckfinder/userfiles/files/nugafoxuvilabuvaro.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=download+windows+10+32+bit+full+version+free+for+pcPDF 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_off0000b373.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB373 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cb8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB8A | 11472 bytes |
SHA-256: 2667d84681fb351932d0c2b19e3a2382a83425e135397e960f066decea87eb18 |
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font_02_sfnt_off0000e6ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6BA | 15440 bytes |
SHA-256: ce1ed49ea911fe4ae1bd8901f2852b4598c1efe489e619a14ce967e51267fc41 |
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