MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, indicating it likely contains an exploit. The document contains a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution attempt. The presence of multiple unknown URLs further supports this, as they are likely used to host or redirect to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141f9930e5d6---61397050962.pdf In PDF document text
- https://cungcapthitdetuoi.com/app/webroot/files/images/pages/files/pigunukoxazuwanofofid.pdfIn PDF document text
- http://aire-limpio.com/img/editor/file/29137612120.pdfIn PDF document text
- http://adamlegal.com/userfiles/file/69826453843.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161321cbed5d59---98781851897.pdfIn PDF document text
- https://hunglivet.com/uploads/files/202109160954213959.pdfIn PDF document text
- https://zakarpattya-tour.com/upload/josatenurobuwun.pdfIn PDF document text
- https://dispecom.com/cms_dispecom/sgi_userfiles/userfiles/files/fapimusiwogus.pdfIn PDF document text
- http://yuanjiangchem.com/upload/files/rawevekivedixok.pdfIn PDF document text
- http://xn--h1acbpobggs.xn--p1ai/data/files/52224422824.pdfIn PDF document text
- http://thuonghieutoancau.vn/uploads/files/najunejadamanutogumifuki.pdfIn PDF document text
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613958f044ad4---47998039288.pdfIn PDF document text
- http://unionnutritech.com/upload/files/76380779651.pdfIn PDF document text
- http://cungcapbaoduongcuanhatban.com/upload/files/82321323849.pdfIn PDF document text
- http://casaperugia.fr/userfiles/file/56591506940.pdfIn PDF document text
- http://sedaciesupravy.sk/media/file/51308017552.pdfIn PDF document text
- https://aadhaarretail.com/administrator/imagetemp/file/89605367874.pdfIn PDF document text
- http://divapharma.com/uploaded/file/gujadanatiwenufefurox.pdfIn PDF document text
- https://epponline.com/mentorfinancial/page_images/file/65907776565.pdfIn PDF document text
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161347c6e5d77b---24441778975.pdfIn PDF document text
- http://andreuma.madteam.net/ckfinder/userfiles/files/fuvibeluposakanemeditej.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=plants+vs+zombies+no+ads+apkPDF 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_off0000cbbb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBBB | 17128 bytes |
SHA-256: 87ebd6d96ed111d33d809dcf83c42f84dd01371129a1e0ab401ca838d5f73720 |
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font_01_sfnt_off0000f7c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7C9 | 10812 bytes |
SHA-256: 5db056ce491233ce3ee123c28bd1dc9a1a01e4f26b7ab704455e0026bafaccb2 |
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font_02_sfnt_off0001108e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1108E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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