MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous links to external websites, many of which are hosted on compromised CMS uploads or disposable hosting, indicating a link farm for SEO manipulation or malicious redirection. The ML classifier and ClamAV detection strongly suggest malicious intent, with ClamAV identifying it as a Pdf.Phishing.Trojan. The presence of multiple distinct hosts and UTM parameters in the URLs further supports the classification as a link farm designed to distribute malicious content or phish users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/116292343eb135c32a2b55803febd32a/14501207775.pdf In PDF document text
- http://haisushitogo.com/uploads/files/67788393593.pdfIn PDF document text
- https://cleaner.pl/userfiles/file/likidusejukuli.pdfIn PDF document text
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/33b4cd84000c969803203bacd19bbc2c/30437676821.pdfIn PDF document text
- http://randygordonlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/79101945782.pdfIn PDF document text
- https://acryl-bg.com/userfiles/file/16576222983.pdfIn PDF document text
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/bc581f77d33bbe56ece3e2067dba9fc7/97434391130.pdfIn PDF document text
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160899232ef50d---natusulojasarowured.pdfIn PDF document text
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/1588a00b468021b4eafc90a188d475b3/sexuzeluxoz.pdfIn PDF document text
- http://robertsrucker.com/clients/7/7f/7f5ecd1287ec2152c36a7dc1808edcbf/File/34529306953.pdfIn PDF document text
- http://gocreate.termall.pl/upload/fck/file/36069533942.pdfIn PDF document text
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/89e9ab7b6e001f2099721944a5941112/zofekogixefelozojel.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a596f37cd9b---55355443326.pdfIn PDF document text
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c8eb4226bbe---ziseg.pdfIn PDF document text
- https://bishopsalamatkhokhar.org/userfiles/file/24259523755.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160810a5c031cc---tinasijel.pdfIn PDF document text
- http://kasystemofkarate.com/clients/861259/File/fufatesomabodexozedafegu.pdfIn PDF document text
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16071aeb645688---teretidofelusunobovam.pdfIn PDF document text
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160984a1e4cccc---11651100359.pdfIn PDF document text
- https://praward.tw/wp-content/plugins/super-forms/uploads/php/files/6812b3b8f235712e55f85f53895a5e73/32018750060.pdfIn PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160acfd00b4dbb---wujetufurenebubemidepaw.pdfIn PDF document text
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a0dcf16caee---89156575450.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=balancing+a+redox+reaction+by+oxidation+number+methodPDF link annotation
- http://pro.ovh.net/~tribuene/images/banque/file/9816915955.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_off0000fe5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE5B | 11160 bytes |
SHA-256: e04e68a5233413821b90498662fd1a80d6f3b066b83524e15ad55f5caf2025d0 |
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font_01_sfnt_off00011815.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11815 | 17480 bytes |
SHA-256: ff66a6d6733e870aba83283d728bbc1ff14ec73e3ae8e87aafcca1018a2a66f4 |
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font_02_sfnt_off0001462f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1462F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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