MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a phishing or malware distribution attempt. The heuristic 'SE_INVOICE_LURE' indicates the document's content is designed to deceive users into clicking these links, likely for financial gain or to download a malicious payload. The ML classifier and ClamAV detection strongly support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://irlanc.ru/uplcv?utm_term=present+value+of+residual+value PDF link annotation
- https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/5d42495727360d8268bb7df6824b98a6/98629855357.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/44uhkhljfj0ia0te8r3g9l1edl/katibovuri.pdfIn PDF document text
- http://nutranghongngoc.com/media/ftp/file/jikexuzubudasas.pdfIn PDF document text
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/7d7511aa1e99bb268f9e8d00abfbd6b8/50535051900.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cba59ee008---ramut.pdfIn PDF document text
- http://carrozzeriardue.it/userfiles/files/13270997713.pdfIn PDF document text
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/ee33049d445a12b900814b71f75b2868/misorujutufafo.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160cc8ec173718---nafofatudegokisadinimupag.pdfIn PDF document text
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/7fn44shtbuf39o6jg3id3b9avj/rozubo.pdfIn PDF document text
- http://meble-tk.pl/userfiles/file/26694204188.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/01af03f753f5f886eb2417ed85f78169/66209025719.pdfIn PDF document text
- https://activepymes.com/pub/file/nosapuzixaguganat.pdfIn PDF document text
- http://biomassasia.net/data_ed/userfiles/file/lezexiwijijesoxosixu.pdfIn PDF document text
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/16076986915e58---pebopadesajetogosir.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d35dfcda6ac---23426565797.pdfIn PDF document text
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160bcc884286f1---5331620798.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/bewawilepuzafititalefodu.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ef69314dd8---8819437222.pdfIn PDF document text
- http://alphabodysupplements.com/newerac2c/userfiles/file/nobexawexuxotovozubosirom.pdfIn PDF document text
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d99e8f6db1b---2240754452.pdfIn PDF document text
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/7567282154bff23bb8861a067c6e1ec2/bazubezodegix.pdfIn PDF document text
- https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608e7109ac85d---53833279339.pdfIn PDF document text
- http://alliusie.com/userfiles/file/58573050348.pdfIn PDF document text
- https://balajitutorial.com/admin/userfiles/file/3951959301.pdfIn PDF document text
- http://turar-mussin.com/userfiles/File/dawasexexurine.pdfIn PDF document text
- https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/bac1a75efb888cd091dcb985c2bdae99/zuzijurujorexexibakowexa.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_off0000f45e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF45E | 10516 bytes |
SHA-256: 4c02b1cb3efa9dc1a1ab28d8c3b3f08c8f27923a10f535981c27b168a6b63861 |
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font_01_sfnt_off00010c73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C73 | 17212 bytes |
SHA-256: cd9663b8e464225b52694596f7cc8901d1143695fee8ea808314d2d1bfd7fdce |
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font_02_sfnt_off000139bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139BB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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