MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to manipulate search engine results or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, with ClamAV identifying it as a phishing trojan. The presence of these links and the high confidence detection scores support an attack pattern focused on redirecting users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
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://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/4b2710743bd40eaeb38decd113d6c6f5/61531138382.pdf In PDF document text
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16082430e6a8cf---tonevonaxavolaritesomuf.pdfIn PDF document text
- http://firanywiktoria.pl/uploads/editor/file/67532643487.pdfIn PDF document text
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/d60a1c99313d1d66900b1bed58b7e6dd/golomabewexujimigo.pdfIn PDF document text
- http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e32c2c8655---zeserejanuti.pdfIn PDF document text
- https://bodegoncriollo.com/userfiles/file/zemeganujilemodanogigadut.pdfIn PDF document text
- http://www.kymenhome-etsinta.net/tiedostot/files/95098274262.pdfIn PDF document text
- http://newtrierreunion1962.com/clients/6/64/64567561842b0bbd40b956adda0282a7/File/99008777440.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/bikivuxedil.pdfIn PDF document text
- http://stlukesmn.org/clients/17773/File/49918638335.pdfIn PDF document text
- https://mmszke.hu/files/file/87845089729.pdfIn PDF document text
- http://bafiti.com/sklep/userfiles/file/77443307507.pdfIn PDF document text
- http://e-hane.com/files/jejinilepenezipazus.pdfIn PDF document text
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7e59c19a77---60953485907.pdfIn PDF document text
- http://packamate.com/userfiles/radagiruzudeboxo.pdfIn PDF document text
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/3q3ne4ngtoogo29om14tbmpo6g/pijurutujisuwudorigipok.pdfIn PDF document text
- https://chung-pei.com/userfiles/file/69300849413.pdfIn PDF document text
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a42b3e8c62d---95116196174.pdfIn PDF document text
- http://emirates-offshore.com/uploads/image/file/mavodeleso.pdfIn PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608543fb45650---10241806710.pdfIn PDF document text
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/cnc0t78c8omfau4fm9v6a77qit/wefexifavojapeg.pdfIn PDF document text
- https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/f5ff104a2a48aeeaa2335923b091fa4b/53403931509.pdfIn PDF document text
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fe2091b654---zijab.pdfIn PDF document text
- http://tuhs1970.com/clients/a/ac/acc339db084e87cdfae31a76a6c96f1c/File/16835356393.pdfIn PDF document text
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d52770a845---wolazusiwiwigikesof.pdfIn PDF document text
- http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/16089adb0d4e94---vuperixinimij.pdfIn PDF document text
- https://santechnikosdarbai.lt/images/files/pemasak.pdfIn PDF document text
- http://campbellelectronics.com/uploads/21431989598.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=harry+potter+good+picturesPDF 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_off0000e1ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1AD | 10744 bytes |
SHA-256: 936411357c2ace75cce170ae70430dc75bdf99995072c19e76898d8d98c6f4f6 |
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font_01_sfnt_off0000fa4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA4D | 16872 bytes |
SHA-256: 9d79f654ece8a30b77777b1235d72a91a9ce22d8b4222f7e410949716664941d |
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font_02_sfnt_off0001260e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1260E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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