MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress sites or disposable hosting, suggesting it functions as a link farm to distribute further malicious content or phish users. The embedded JavaScript likely facilitates the redirection or download of malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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 https://cructi.ru/uplcv?utm_term=how+to+get+minecraft+bedrock+for+free+on+mac
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072570023054---55523066938.pdf
- http://agcslohian.com/userfiles/file/10628749693.pdf
- http://alt-1c.ru/userfiles/file/60478348333.pdf
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c6df93b47f---95178865843.pdf
- http://tomei4x4.jp/js/upload/files/zarapof.pdf
- http://cathayred-csr.com/img-cathay/files/38884181615.pdf
- https://poolpoint.be/uploads/file/zabeledolapokolapibipete.pdf
- https://tipresentoio.it/images/file/gugevosuvovakavegeg.pdf
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed6916b4d3---xebofadubobowekoko.pdf
- https://careersourceokaloosawalton.com/files/public/33060796360.pdf
- http://cosmosimpex.com/app/webroot/ckfinder/userfiles/files/zojodazomodonadapago.pdf
- https://soudurelauziere.com/upload/editor/file/kegebuxupusakatawodu.pdf
- https://ludifrance.fr/userfiles/file/ririkebetidajefu.pdf
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b034f26775d---45417602052.pdf
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b5eb76b219b00c641f1b1b77edf593ed/jeradibapa.pdf
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/387599424529dbeb40b7e4cbf92d4b8d/98691735225.pdf
- http://deborahmayerlawoffices.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/97010029724.pdf
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/160e1fe1071ed6---dutazekukijamosojukexe.pdf
- https://aucordechasse.fr/vosImages/74739643340.pdf
- http://celcg.pl/uploaded/file/nofubodarapo.pdf
- http://novichiha.ru/pic/file/mesubak.pdf
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160761e34ae29d---42594918402.pdf
- http://alpha-th.com/userfiles/file/29647875437.pdf
- https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/0a8758cc8b63ca457f20a14b34a1a174/nuzowi.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d2e3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2E3 | 16792 bytes |
font_01_sfnt_off0000eafa.bine02f53a24fb31d266e41b09098059a9335827ce887029c9114d9ee59846c4770 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAFA | 10916 bytes |
font_02_sfnt_off0001040e.bind08f445d57d378de6d64b4315b082df63c58dfa5e162ce00c810d1b49ee8ee4a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1040E | 17452 bytes |
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