MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple heuristics indicating it is a link farm pointing to potentially compromised WordPress sites and raw IP addresses, suggesting an attempt to distribute malicious files. The presence of a 'download button' heuristic further supports the lure-based attack pattern. ClamAV detection and ML classification confirm the malicious nature of the PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 8
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/ba4058981b281cf0faf2308314a5b4b0/146601892.pdf In PDF document text
- http://myarrahnu.com/mo_images/files/pijov.pdfIn PDF document text
- http://hyundaihungthinh.com/uploads/images/files/65709998534.pdfIn PDF document text
- https://piauiaqui.com/ckfinder/files/73249019316.pdfIn PDF document text
- http://rittenhousereunion.com/clients/a/ad/ad7d26974070b67854a29702aed78614/File/japajavukevop.pdfIn PDF document text
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/e44f7522d7e0f8006947a438250d2cfd/xasamimerevujozenev.pdfIn PDF document text
- http://imailbox.nl/images/uploadedimages/file/foxovorusaxidebegugomuju.pdfIn PDF document text
- http://dioblina.eu/userfiles/file/67734343911.pdfIn PDF document text
- http://pogservice.ru/userfiles/file/notisanimezig.pdfIn PDF document text
- https://affordans.com/ckfinder/userfiles/files/voxifugodi.pdfIn PDF document text
- http://keralabiblesociety.com/fck_uploads/file/41170521131.pdfIn PDF document text
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/f6b1b7110e79843428000f81e926a426/jusalowuv.pdfIn PDF document text
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/iti0rie5ji3dnkf4h7b9i48jdr/47735346651.pdfIn PDF document text
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/ptssvdk4r6ovktf00vjuhu4ua7/zovudes.pdfIn PDF document text
- https://lacaune.hu/userfiles/file/siladamazinofun.pdfIn PDF document text
- https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/4q493tl5b23519h5psoinradpm/zujepuketodufudidasij.pdfIn PDF document text
- http://140.121.125.49/ckfinder/userfiles/files/20210813_062849.pdfPDF link annotation
- http://driver-jazda.pl/upload/file/bobanegosegewa.pdfIn PDF document text
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/1606c861732dbd---60310078576.pdfIn PDF document text
- http://aodaiminhhanh.com/app/webroot/uploads/files/98335661848.pdfIn PDF document text
- http://babywagen24.de/userfiles/file/89372720381.pdfIn PDF document text
- http://newmob.it/userfiles/files/95438775876.pdfIn PDF document text
- http://allivecoat.com/userData/board/file/96531284328.pdfIn PDF document text
- https://angkoronetour.com/userfiles/file/74763433985.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160873bb1d3902---luxeke.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=english+articles+worksheet+for+grade+6PDF 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_off0000e01a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE01A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f831.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF831 | 11084 bytes |
SHA-256: 219e5f3a99e93e3e1250031a2afe0c427104a25a4ec3939f14eece3d6776cede |
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font_02_sfnt_off000111de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111DE | 18664 bytes |
SHA-256: f57d89cecf19dec675d313f4ca9c672e9b84ade9141f55b0c2e1b0eb7a3f42cd |
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