MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is often used to redirect users to malicious websites or download further payloads. Several heuristics indicate the PDF is part of a link farm, with many URLs pointing to compromised CMS uploads or disposable hosting, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 8
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://vmwarts.com/ecovic/file/ditavoronuxipedakirimo.pdf In PDF document text
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/j005b0aessgapos33agh6vg9e4/68926514779.pdfIn PDF document text
- http://studiomistretta.com/userfiles/files/nafapedimitetadolire.pdfIn PDF document text
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa80a78147a---namowigidezeg.pdfIn PDF document text
- http://ridendo.cz/files/file/femonasesox.pdfIn PDF document text
- http://phutunggiahungoto.com/uploads/files/tirususanut.pdfIn PDF document text
- http://timebymtm.com/upload/files/tijebagujaruxovu.pdfIn PDF document text
- http://bagiez.com/userfiles/file/99765553157.pdfIn PDF document text
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/27b00ae00a0a65b1a6512a2881fde93b/70555963259.pdfIn PDF document text
- http://phanphoiongnhuahoasen.vn/upload/files/guxikufufazubugoto.pdfIn PDF document text
- http://cropscipublisher.com/files/upfiles/file/navowewejodatoro.pdfIn PDF document text
- http://shukokai-voves.fr/userfiles/file/vufizikepanonu.pdfIn PDF document text
- http://tasarimak.net/ckfinder/userfiles/files/gapijorizukezowari.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160c151f77a585---54920142063.pdfIn PDF document text
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098646ebab57---zojegimizuzaperufefedo.pdfIn PDF document text
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099d4c8113f2---84101491348.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/culvn107l2c1vp3ea9m5niolsf/kejeludevim.pdfIn PDF document text
- http://iviltra.lt/images/files/xobimuluzubovibaker.pdfIn PDF document text
- http://barcabianca.eu/upload/file/zipape.pdfIn PDF document text
- http://levakov132.ru/userfiles/file/59649126347.pdfIn PDF document text
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070c04577ccb---75232957862.pdfPDF link annotation
- http://erpsamik.com/ckfinder/userfiles/files/gusupibi.pdfIn PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/16093a787cee0a---kenovibijetar.pdfIn PDF document text
- http://24cvety.ru/upload/files/60367764708.pdfIn PDF document text
- http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/bevekalifet.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=vowels+examples+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_off00011f04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F04 | 22672 bytes |
SHA-256: ded19d5d4fb3c9e2644540c9eca1df3df7314f1b85c1785a8c63c5dc30a35992 |
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font_01_sfnt_off00015945.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15945 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001715c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1715C | 10424 bytes |
SHA-256: fb6ebacb76abf361610ca05ecf797f320cb09a6eacc47410cdc917696b89e71c |
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