MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains a link farm with numerous URLs pointing to potentially compromised websites, suggesting a phishing or redirection scheme. The PDF structure and embedded URLs are consistent with a tactic to lure users to external sites for further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://crysiq.ru/uplcv?utm_term=anticonceptivos+orales+tipos+pdf PDF link annotation
- http://taxicityplus.ru/userfiles/file/51674581101.pdfIn PDF document text
- http://automsystem.com/UploadFile/file/20210814053125010.pdfIn PDF document text
- http://www.scea.edu.mn/ckfinder/userfiles/files/96556748454.pdfIn PDF document text
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/f9k5p75oga6a1p8qgva22oc320/91072931003.pdfIn PDF document text
- https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/72926919505.pdfIn PDF document text
- https://crownprolaw.cn/userfiles/Proj_Name/files/65428696070.pdfIn PDF document text
- http://cokhihoangvinh.com/uploads/userfiles/file/82225095221.pdfIn PDF document text
- https://moto-trend.cz/public/files/fck/file/78494218821.pdfIn PDF document text
- https://marigabung.com/contents//files/kikanugowofevow.pdfIn PDF document text
- https://riondene.ch/img/uploads/file/narogikamoworadarupogodam.pdfIn PDF document text
- http://anindecor.pl/files/file/rikixeja.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609a7360cebeb---warun.pdfIn PDF document text
- https://sport-jicin.cz/dokumenty/67191700387.pdfIn PDF document text
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074d0f97e3ef---ramonufagokazox.pdfIn PDF document text
- http://nct-vn.com/userfiles/file/15610012647.pdfIn PDF document text
- https://digireg.com/upload/41935988358.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4cd5fcbd97---gejobaravujijoxeju.pdfIn PDF document text
- https://stopserv.ru/files/file/samaxesevus.pdfIn PDF document text
- http://immobilieninvestors.eu/userfiles/file/788409716.pdfIn PDF document text
- http://moscowfashion.net/content/xuploadimages/file/fojazunubugopakomowun.pdfIn PDF document text
- http://atut-biuro.com/uploaded/file/5100096100.pdfIn PDF document text
- http://arniestribu.com/campannas/file/26444932268.pdfIn PDF document text
- http://bpsstudio.hu/uploads/30252691235.pdfIn PDF document text
- 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_off0000e7d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7D9 | 10660 bytes |
SHA-256: 6bdf2642b1e77e2553f793c6d978166f2395b25f013123810085c09d249070c5 |
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font_01_sfnt_off0001006e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1006E | 20172 bytes |
SHA-256: 4072c60b354fc9c5425e84bcaa0a004099a8d96b579c7d3a1883228594ba965a |
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font_02_sfnt_off00013444.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13444 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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