MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, with several pointing to compromised CMS upload directories, indicating a potential phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly suggest malicious intent. The document's structure as a link farm on potentially disposable hosting further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
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://shreegroupco.com/userfiles/file/dobem.pdf In PDF document text
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/utep7vv2jr4u21k6oevr18d5f9/mekutarigulozawodipil.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614109e12389b---21702942892.pdfIn PDF document text
- http://geasit.it/userfiles/files/nolibul.pdfIn PDF document text
- http://divorce-difficile.fr/userfiles/file/xoteliw.pdfIn PDF document text
- http://kangmeideyiliao.com/uploadfile/file///2021091307511480.pdfIn PDF document text
- http://mylodge-naoshima.com/images/blog/file/81403526982.pdfIn PDF document text
- http://piqiso.ru/userfiles/file/4052294074.pdfIn PDF document text
- http://htygroup.com/upload/files/bolejore.pdfIn PDF document text
- https://satesayap.com/contents/files/15614143264.pdfIn PDF document text
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec75793be8---66681350485.pdfIn PDF document text
- http://baltyk.recykling-rejs.pl/imgturysta/files/pomokerapisafizuxumamotez.pdfIn PDF document text
- https://samsunyapi.com/userfiles/files/jepuralafigatonijimeveken.pdfIn PDF document text
- http://www.cenlaenvironmental.com/siteuploads/editorimg/file/wararogugexe.pdfIn PDF document text
- https://tdemo.order-pro.com/ckfinder/userfiles/files/kubapavamefoxusakuxagew.pdfIn PDF document text
- http://tg-focus.ru/userfiles/files/30324452792.pdfIn PDF document text
- http://studioambienteterritorio.it/userfiles/files/73609131588.pdfIn PDF document text
- http://totoumi.jp/upload/file/49735157703.pdfIn PDF document text
- http://xn----gtbercbfedtm3b.xn--p1ai/admin/ckfinder/userfiles/files/20261926813.pdfIn PDF document text
- http://keyflounge.nl/userfiles/file/pekilam.pdfIn PDF document text
- http://thucancakoihikari.com/luutru/files/48550914857.pdfIn PDF document text
- http://lnyuanzong.com/uploads/files/20210921050125.pdfIn PDF document text
- http://wasserburg.pl/userfiles/file/36463424271.pdfIn PDF document text
- http://bsinteriordesigner.com/userfiles/files/4699894927.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=introduction+to+algorithms+cormen+3rd+edition+pdfPDF 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_off0000b03b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB03B | 11288 bytes |
SHA-256: 04b02d2eef6a135eeb37ef37851a08403da4da1601bce667a3ebd6b2c59b45f0 |
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font_01_sfnt_off0000ca61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA61 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e273.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE273 | 16504 bytes |
SHA-256: 96007032d5552562c2f3b248e605449b9f23229c3729fd06fed954ea09f12d2d |
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