MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external URIs, many of which point to compromised WordPress sites hosting other PDF files. This behavior is indicative of a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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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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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://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a17a95b39dd---tasisizofozaxujasi.pdf In PDF document text
- http://mosvag.ru/img/lib/file/nidenonefu.pdfIn PDF document text
- http://dlikefulproductions.com/clients/875850/File/rijefaneveg.pdfIn PDF document text
- https://www.shropshirefurniture.co.uk/admin/ckfinder/userfiles/files/12785148794.pdfIn PDF document text
- https://pousadamarazul.tur.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608c8996243e2---75413326986.pdfIn PDF document text
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc2112b782---5114628054.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c140bea5cfc---pumuj.pdfIn PDF document text
- http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1607be7a497c8d---55695374996.pdfIn PDF document text
- https://cncostruzioni.com/userfiles/file/18984152208.pdfIn PDF document text
- http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/gepatukat.pdfIn PDF document text
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160730fc208661---83484844416.pdfIn PDF document text
- http://thaimassageboy.com/ckfinder/userfiles/files/lifenagusimutabegifitave.pdfIn PDF document text
- http://cosmosimpex.com/app/webroot/ckfinder/userfiles/files/74250539144.pdfIn PDF document text
- http://maychamsocda.vn/images/userfiles/file/zenatavikalexuwofo.pdfIn PDF document text
- https://artenika.pl/fck/file/59021953888.pdfIn PDF document text
- http://magyaringatlanadatbazis.hu/dev/_user/file/64242350985.pdfIn PDF document text
- http://dralituncer.net/userfiles/file/goworibin.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160abe41a1186f---xanutataxavabojapovetaxog.pdfIn PDF document text
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/4l5ql7kpj1k304fg8gtpfs1s7u/revojasopewusufig.pdfIn PDF document text
- http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dbb48c2093---16032121377.pdfIn PDF document text
- https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16087202141922---fofupaxipoj.pdfIn PDF document text
- https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/b36acc72fd0bc44406be5bbf9876f4fa/tiwiripusaxisawaxexab.pdfIn PDF document text
- http://donahoelawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/249081471.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=modern+blood+banking+and+transfusion+practices+7th+edition+pdf+freePDF 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_off0000e24b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE24B | 11276 bytes |
SHA-256: 1319dbd98c31aa85207b9df93bf973a58ec4817dd59272b33a9d068b88ab3e66 |
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font_01_sfnt_off0000fc56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC56 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011468.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11468 | 17392 bytes |
SHA-256: fd8fece6d0433866d0bbeb8ceabb572a6a423a478528da8a8d1fc5f494b47eb8 |
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