MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to compromised WordPress sites and are structured as a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lure users to phishing or malware-hosting sites. The document body is obfuscated and does not provide direct clues, but the overall structure and URL analysis point to a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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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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://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad1409c0059---13553065956.pdf In PDF document text
- https://kueapem.com/contents//files/xanexegom.pdfIn PDF document text
- http://nowyhotelik.pl/userfiles/file/47013974144.pdfIn PDF document text
- https://ltanimalpark.com/wp-content/plugins/super-forms/uploads/php/files/e885e5da3f694d2852cb898574eb4dc1/jeduzow.pdfIn PDF document text
- http://neoneofitou.com/ckfinder/userfiles/files/zosejuledipiver.pdfIn PDF document text
- http://wo-kop.pl/userfiles/file/78309993201.pdfIn PDF document text
- http://turar-mussin.com/userfiles/File/34609364205.pdfIn PDF document text
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160c2fb40295a9---xubuwolubelubiv.pdfIn PDF document text
- http://detikakdeti.ru/img/file/13795414067.pdfIn PDF document text
- https://ijpdua.com/contents//files/45171540463.pdfIn PDF document text
- http://xn--dlek-5qa.com/admin/UserFiles/file/37964637435.pdfIn PDF document text
- https://asset-books.com/userfiles/file/suwalejudixaxu.pdfIn PDF document text
- https://menlopark.com/wysiwygfiles/file/vozuzevup.pdfIn PDF document text
- http://fashionflutters.com/ckfinder/userfiles/files/luliziledolonelotedaxutu.pdfIn PDF document text
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/16084cc0c55f42---betofizoromazu.pdfIn PDF document text
- http://ventilatoryzlin.cz/images/file/42198548926.pdfIn PDF document text
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d5c94f451e6---dowuru.pdfIn PDF document text
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/99ebb2e9dcb3c010c79bdde91965b250/57918729709.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607fc50c62a8e---57088169044.pdfIn PDF document text
- http://vds-construct.pl/userfiles/file/jasisamomamifulo.pdfIn PDF document text
- https://cvsc.co/userfiles/file/30035409783.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=dingbats+level+234+answersPDF 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_off0000dace.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDACE | 10828 bytes |
SHA-256: feca8ba1f45bf768984cb5a135185343396971d2ced9331a5a00e6a56d1960e3 |
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font_01_sfnt_off0000f424.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF424 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010c36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C36 | 16896 bytes |
SHA-256: 953476681958fcc9531e0ead574b4dd51ed4127d79ca677a7d7e54ecc32775e5 |
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