MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as containing a link farm and potentially malicious content, with a high ML classifier score and ClamAV detection. The document body is heavily obfuscated, but the presence of numerous external URIs, many pointing to compromised CMS upload directories, strongly suggests a malicious intent to redirect users to potentially harmful websites. The primary attack pattern involves leveraging these links for phishing or SEO manipulation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fc1dc6e4e2---38032166302.pdf In PDF document text
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/1f873667efeb0cab4ff549fbb914fa3e/81271415365.pdfIn PDF document text
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/161327348188a7---detomedoribinif.pdfIn PDF document text
- https://ketex.com/trcgp/ckfinder/userfiles/files/furato.pdfIn PDF document text
- http://thegioixedap.net/upload/files/74983842413.pdfIn PDF document text
- http://pierrevillers.fr/mairie_files/file/kodubogimegipiwix.pdfIn PDF document text
- https://evrenmentese.com/upload/ckfinder/files/nepikopurubedivabigixiba.pdfIn PDF document text
- https://sicurezzaips.it/uploads/file/34753760374.pdfIn PDF document text
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/01071117ac0ebe49313f000dbcf365b4/dawebebomowos.pdfIn PDF document text
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/88a8bf3a729623ab3683814fb2a06956/nawimivulewazo.pdfIn PDF document text
- http://www.nachtruhe.info/up/files/30841577594.pdfIn PDF document text
- https://truonggiangcompany.com/userfiles/file/4248785862.pdfIn PDF document text
- https://coaching-jk-academic.com/ckfinder/userfiles/files/pizajuririjunib.pdfIn PDF document text
- https://bgg.pirkitpadangas.lt/ckfinder/userfiles/files/pikoveze.pdfIn PDF document text
- http://santabruna.cl/upload/file/zajekivekuw.pdfIn PDF document text
- http://hasyo.net/files/file/nepemobimowovajewami.pdfIn PDF document text
- http://mackielaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kotozejisijuzutozog.pdfIn PDF document text
- https://weishinclinic.com/uploads/files/202109050446539326.pdfIn PDF document text
- http://swaminarayangm.org/userfiles/file/18362606091.pdfIn PDF document text
- http://tehpromyar.ru/media/file/86376490618.pdfIn PDF document text
- http://www.sospapa24.com/lib/ckfinder/imgupload/files/90581312486.pdfIn PDF document text
- https://vnnc.vn/img-hdmedia/files/30810926543.pdfIn PDF document text
- https://orderpoet.com/ckfinder/userfiles/files/94387871877.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=can+you+undelete+photos+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_off0000b153.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB153 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c965.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC965 | 16272 bytes |
SHA-256: b4ac61b08b3e68ead3b0c301ef74c01d1a5725ba94859cecdb3b96679190ca99 |
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font_02_sfnt_off0000f264.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF264 | 10732 bytes |
SHA-256: 772da353d19c888c855cb6f2458a62a264fa9fa2e356bbd7b3a48db48a330563 |
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