MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to compromised websites, indicating it functions as a link farm to distribute malicious content or phish users. The presence of external URIs and link farm heuristics strongly suggests a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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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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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://belhavenhighschoolalumni.com/clients/13962/File/xetawiwutisomulapudi.pdf In PDF document text
- https://anukulagrotech.com/ci/userfiles/files/36323987239.pdfIn PDF document text
- http://yonseri.org/userfiles/files/dulotedamifidejojemamani.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fec600dd7c---4116778683.pdfIn PDF document text
- http://tkhomedeco.com/assets/uploads/ckedit/files/20210615182248.pdfIn PDF document text
- http://acmemask.com/upfiles/editor/files/9291813158.pdfIn PDF document text
- https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/88f3f69e6f5c1ba85c32dbd54d5ad65f/lalinapexivibuxuxonu.pdfIn PDF document text
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/3rlu54augc4jeb2fnoeobo33rd/97726395531.pdfIn PDF document text
- https://makemycake.gr/wp-content/plugins/super-forms/uploads/php/files/hi6pcjqosagmbp0tdm0t2r6qra/92022896028.pdfIn PDF document text
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160bc294492ad6---73456792640.pdfIn PDF document text
- https://fenixfalt.com/userfiles/file/87130190464.pdfIn PDF document text
- https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/f348a98d8c053d72eb771cd9a09238db/rowimoro.pdfIn PDF document text
- http://anthonyvienna.com/sites/default/files/file/pomifutakilafubamuwuri.pdfIn PDF document text
- https://allcreaturesinc.com/files/files/44956072312.pdfIn PDF document text
- https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/a1b2f807c7302a34e95113a252aa0bb0/gezapabelinixojida.pdfIn PDF document text
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/f4dc451ba7cf3c1b6993cae1653e0039/68409920460.pdfIn PDF document text
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609e48294ee4b---besejedirizatoxikitoval.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160beeb56a0cda---zifofetozewarala.pdfIn PDF document text
- http://bbfederico2.net/userfiles/file/29810831852.pdfIn PDF document text
- http://www.verneteco.com/ckfinder/userfiles/files/10645798612.pdfIn PDF document text
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160872101af404---kirefotajigepevinefojox.pdfIn PDF document text
- http://albino-pitti.com/pub_img/file/21923713229.pdfIn PDF document text
- http://fbchitchcock.org/clients/8/8b/8bdff38a390027835eb24981312b950c/File/gifeguwifabu.pdfIn PDF document text
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c331af25f27---4501609008.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=pharmaceutical+and+biotechnologyPDF 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_off0000f060.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF060 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010872.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10872 | 16964 bytes |
SHA-256: 1468fd43323e6fb01c42d4be513d3dd3b71e325219812853ab4b6d88cd2acd3a |
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font_02_sfnt_off000134e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134E1 | 11004 bytes |
SHA-256: 81f02f1e6e305f0a32ba0d457619ca3fe0d1f342259a1f8e122e934b6c438c57 |
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