MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for exploiting vulnerabilities or redirecting users. The presence of multiple links pointing to potentially compromised WordPress uploads and disposable hosting suggests a link farm designed to obscure the final malicious destination. ClamAV and ML classifiers also flagged this file as malicious, indicating a high likelihood of phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://resicolor.com/upload/files/mipivisaregemovifarijuzor.pdf In PDF document text
- https://maria-galland.ru/files/file/97479107918.pdfIn PDF document text
- http://kabaretyimpresariat.pl/Upload/file/tidejuzelaz.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/75aea3ca04ca64512ddc4daba79a0a2d/fuxonipifogapirozagizukad.pdfIn PDF document text
- https://spheresignal.com/app/webroot/userfiles/files/vezezitisijimufewura.pdfIn PDF document text
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140704f669a6---15340271038.pdfIn PDF document text
- https://www.borzabadi.com/ckfinder/userfiles/files/zedunavitawiboruboluziga.pdfIn PDF document text
- https://krantiservice.com/ckfinder/userfiles/files/samatemopufimi.pdfIn PDF document text
- http://zhymwz.com/upfile/file/davoxunimak.pdfIn PDF document text
- https://ou-ravda.com/ckfinder/userfiles/files/67914929871.pdfIn PDF document text
- http://odesignlab.ru/admin/ckfinder/userfiles/files/kugujirinepi.pdfIn PDF document text
- http://circolonauticofavignana.it/userfiles/files/89828380000.pdfIn PDF document text
- http://garderoba.sk/images/_file/vosepizukabel.pdfIn PDF document text
- https://forexinc.ca/upload/editor/file/93559061070.pdfIn PDF document text
- http://kaupa.cz/userfiles/file/sakegukufabexudiwasetugu.pdfIn PDF document text
- http://yomamasushitogo.com/uploads/files/betojuzumufevexore.pdfIn PDF document text
- https://valleyrentals.com/userfiles/file/xafolob.pdfIn PDF document text
- http://studiospazioambiente.it/userfiles/files/jomatowoxonupenobageri.pdfIn PDF document text
- https://kamionosnyelvlecke.hu/userfiles/file/kujafiwibagiw.pdfIn PDF document text
- http://jysfh.com/upload_fck/file/2021-9-10/20210910184411385020.pdfIn PDF document text
- http://phukhoabacninh.com/images/files/suvutilonujaxodomovetata.pdfIn PDF document text
- http://autostyle-japan.com/js/upload/files/buwokutuxas.pdfIn PDF document text
- http://duz-drustvo.si/uporabnik/file/mezezumekuxu.pdfIn PDF document text
- https://liantoong.com/archive/upload/files/vobun.pdfIn PDF document text
- http://billagelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xiwiguxowetoxuboxabu.pdfIn PDF document text
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614583da8315b---susumavulopixewalolemu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=how+to+set+a+lock+screen+wallpaper+on+androidPDF 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_off0000d7c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7C1 | 17692 bytes |
SHA-256: 4c51cc3bbefe094069ad9f288fa5eec44097ed00f6247e48016777aefbfff1b3 |
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font_01_sfnt_off00010531.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10531 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011d48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D48 | 10676 bytes |
SHA-256: 3b4bd7b0816b433004aba44987572bc227e318d41d8b2f7826eb6c1c019d23b7 |
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