MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal a link farm structure, with many URLs pointing to compromised CMS uploads, suggesting a phishing or redirection attempt. Although no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with malware delivery or phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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 http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080fc3842876---9844234322.pdf
- http://funperm.ru/content/file/jebajodozikusupipifasuzag.pdf
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/4d0aaccf4eab9254e21676cd29e2a3e8/20867168544.pdf
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/16078107727621---47312287691.pdf
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a91b1155b75---tuponekaze.pdf
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/vt2e6fvsfj8pvqs214porscq1j/gevomig.pdf
- https://susta.vn/userfiles/file/fikujepojijax.pdf
- https://panificioilcavaliere.it/userfiles/files/86812753787.pdf
- http://mevlanaasm.com/resimler/files/43749834652.pdf
- https://novahealthclinic.ca/userfiles/file/40129494786.pdf
- https://accesoriosalmayor.com/images/userfiles/file/mijiduvofedufed.pdf
- http://ntrc.biz/clients/f/f0/f0759d16aca5b3dfc9163ee994587b7f/File/2400132491.pdf
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160801207e236b---7084232279.pdf
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/a939640cbd3b94abf2806e1fd4b73751/visetenavil.pdf
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160768980c3ad7---66113595840.pdf
- https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/fc581be8cb9f97b41248cd737c155ebf/fixub.pdf
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/bb9997c5c8a3cf3c5365af13ef89654f/49764554815.pdf
- https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/i2bckgi5p0518033c130sppl83/5968665649.pdf
- http://the100voicesofgospel.de/fichiers/newsletter/file/lupufidefusexilewazijo.pdf
- http://starcity-vinhomes.vn/app/webroot/img/files/8039886473.pdf
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/696e0a067f02b7f8c9eefd57f1a52f58/95588145735.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=hearth+and+fireplace+near+me
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d00c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD00C | 16792 bytes |
font_01_sfnt_off0000e823.binaa568338b8ec10628f9f8bcde22c5e143c86dcde3ede0f53f63788500b2374ab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE823 | 10588 bytes |
font_02_sfnt_off0000fffb.binbc917c5f7291413c065c84a1623b534b397f4dc8ea6606ac343c69aa993a1625 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFFB | 16512 bytes |
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