MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs that point to compromised websites and link farms, suggesting a phishing or malware distribution scheme. The presence of a 'utm_term_redirector' and links hosted on various domains, including those associated with WordPress plugin vulnerabilities, further supports the attack pattern of luring users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://oniceh.ru/uplcv?utm_term=virgili+eneida+pdf PDF link annotation
- https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/cjihnite7bbupnelv0jflfrrnq/kuraputotelikajebinased.pdfIn PDF document text
- http://cathugo-yachts.de/res/wysiwyg/file/51547643568.pdfIn PDF document text
- http://hawaiianhunareiki.it/file/72198284501.pdfIn PDF document text
- http://zartmobilia.com/userfiles/file/20210529010636.pdfIn PDF document text
- http://emailreceptionist.net/userfiles/file/bubugofolupamavikemilen.pdfIn PDF document text
- https://strechybenesov.cz/content/51285389520.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ef7c16d8ca---77288655994.pdfIn PDF document text
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160c1a15739a37---65941502658.pdfIn PDF document text
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1609bd7f3033e7---37947188077.pdfIn PDF document text
- http://esoftland.com/userfiles/file/2111416203.pdfIn PDF document text
- https://mygenius.ru/admin/ckfinder/userfiles/files/fuzazamilufupogiletogar.pdfIn PDF document text
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/16074a776e0a99---ponib.pdfIn PDF document text
- http://digilit.ir/basefile/digilitir/files/sewakixuxuse.pdfIn PDF document text
- http://kraemer-duennebacke.de/files/file/69049391599.pdfIn PDF document text
- http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160c0dca612a8b---pupopas.pdfIn PDF document text
- https://mls.lighting/wp-content/plugins/super-forms/uploads/php/files/8a1d048e107c868ad1780b310ff5b897/sanuliseguwepo.pdfIn PDF document text
- http://drapa-technika.cz/UserFiles/File/30006883364.pdfIn PDF document text
- http://naturallabs.fr/userfiles/file/41234268977.pdfIn PDF document text
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/05552d5c2a0b55e410b57c6e1420fb08/43633972692.pdfIn PDF document text
- http://www.autoservis-hubatka.cz/admin/upload/ww/file/45926108323.pdfIn PDF document text
- http://mtecommerce.it/public/news/file/timabidofowuvutekim.pdfIn PDF document text
- http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8cf583f83---fetifipagagogupejimeg.pdfIn PDF document text
- http://tradeweb.es/userfiles/file/gazemos.pdfIn PDF document text
- https://digireg.it/upload/fipasojuzukutideda.pdfIn PDF document text
- https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/9396a57b9550f4e21bb996b360d15192/26359382531.pdfIn PDF document text
- http://izeninfo.net/admin/upload/files/jivexurup.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_off0000e58d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE58D | 17984 bytes |
SHA-256: 2288e413cfa96cba67104e9e399d992ef623c316cd6d20633d62540054cce67d |
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font_01_sfnt_off00011443.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11443 | 10256 bytes |
SHA-256: 93009622ee5e107053047ae66a9b987e59ad1cce31ae1fba578212e11f846b61 |
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font_02_sfnt_off00012b1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B1F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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