MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery. The embedded JavaScript is a common technique for initiating malicious actions within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://kortennis.co.kr/B/ck/ckfinder/userfiles/files/36242096170.pdf In PDF document text
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/6b1fa37d19ee6bd39aec156d9329b4e2/dudime.pdfIn PDF document text
- https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/e7a16925066851b78f4cdd4aacf43b6c/pizabukopiterudur.pdfIn PDF document text
- http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087a0548461d---65803959673.pdfIn PDF document text
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/dkl3cempsskrtuqq5irul4fpeu/15126083662.pdfIn PDF document text
- http://orgue-chantepie.info/FCKeditor/upload/file/83663383139.pdfIn PDF document text
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/9e3353feb442021411d106925df6b80d/rexokonivitonumebeziduled.pdfIn PDF document text
- http://wedding-ideas.ru/ckfinder/userfiles/files/dazisaritiluzawinupaji.pdfIn PDF document text
- http://fine-cottage.ru/userfiles/file/fuleve.pdfIn PDF document text
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16081122a1adc3---pevaxifame.pdfIn PDF document text
- http://daieimotors.com/js/upload/files/jaguzalu.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/f0gjvsp1b1tdu18fhb4r3i0i40/gidup.pdfIn PDF document text
- http://abaj.cz/UserFiles/File/rotolikavijobirigilek.pdfIn PDF document text
- https://www.rockfallco.com/wp-content/plugins/formcraft/file-upload/server/content/files/160710f855e1ac---69830584549.pdfIn PDF document text
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609164ba7c9ea---48784211444.pdfIn PDF document text
- http://www.tomasjelinek.com/img/pub/file/tulifujawatosisufexomasez.pdfIn PDF document text
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607ea5315a2e8---tejuweruruteg.pdfIn PDF document text
- https://sport-jicin.cz/dokumenty/26657224875.pdfIn PDF document text
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160910dcc61bee---65412248635.pdfIn PDF document text
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608da2e8744de---58383786614.pdfIn PDF document text
- http://kulturazebrak.cz/userfiles/remenexagowojo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=island+shell+cafeteria+oud+methaPDF 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_off0000c168.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC168 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d97f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD97F | 10792 bytes |
SHA-256: 4fbbe0906a492eef1fd33cd581bfb5a1c842a42f7cfbfa5fa9eb2b111faea5ed |
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font_02_sfnt_off0000f21f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF21F | 15620 bytes |
SHA-256: 66560eb045709fc44aefadc3290609caeb6068805de7972738b9ceba274d0d17 |
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