MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as a malicious PDF by multiple heuristics and a machine learning classifier, with ClamAV detecting it as Pdf.Phishing.Trojan. The PDF contains numerous links, many pointing to compromised CMS upload directories and disposable hosting, suggesting a link farm or redirection mechanism. The presence of external URIs and compromised upload links indicates an attempt to direct users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160940ef444943---62421321478.pdf In PDF document text
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9eccb4ba8---17606575660.pdfIn PDF document text
- http://outspokenholland.com/userfiles/fckFile/20210602120005.pdfIn PDF document text
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/afed5e1fbfb16463bced51db848b6227/juzulerupivajegotodum.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/df8570d1bee8c61cd6a76ef9e7c7ce0d/16196806038.pdfIn PDF document text
- https://santchavarabed.in/ckfinder/userfiles/files/buxefubokaladofoda.pdfIn PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/va9d8n6eq98dpgm5flg5l165k1/6686737125.pdfIn PDF document text
- https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/6eb5f34d2470c5e1c852d303653c1ef5/31251563943.pdfIn PDF document text
- http://palami.by/images/file/jufevasexupefe.pdfIn PDF document text
- http://amdind.com/userfiles/file/60616113377.pdfIn PDF document text
- https://dacinsara.ro/fckfiles/file/85314495407.pdfIn PDF document text
- https://tort-art.ru/userfiles/file/jeparemeze.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16081513a62d38---58209749702.pdfIn PDF document text
- https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afcc5a8c672---4231848300.pdfIn PDF document text
- http://envigest.cz/upload/file/vomovutoguwu.pdfIn PDF document text
- http://richmore.kr/uploadfile/fckeditor/file/78086023497.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/16086273f75cb4---sujosofofilakivofataz.pdfIn PDF document text
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/47078994e290dde05c52a5cca5b0facc/nozabotoresuzadenawo.pdfIn PDF document text
- http://bfr-bialapodlaska.pl/userfiles/file/sogodasutoxuxijovelumeb.pdfIn PDF document text
- http://ideas4mypool.com/userfiles/file/14112013451.pdfIn PDF document text
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/0b9bc840aeebecd1374d7b4d1c2bb515/gewudal.pdfIn PDF document text
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf9a4ad5245---14557095065.pdfIn PDF document text
- http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/2cbab4354757936ab049fa6b406deb5b/78663598429.pdfIn PDF document text
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/e18a66e78af96cd19bec16d68c6f71b0/22287363472.pdfIn PDF document text
- https://alshaabcoop.com/userfiles/file/63764880617.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=biography+lesson+plans+3rd+gradePDF 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_off0000f6f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6F7 | 17388 bytes |
SHA-256: 8358c2573e7d5a2a332511dbd719e9834ab5dda5bd8b8ae48923e4bf4918a419 |
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font_01_sfnt_off00012463.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12463 | 10912 bytes |
SHA-256: b3311e2954f82206d3d7e29b7ba0ce282a7ecdd89f1fc18a02aef26f90d4fe7e |
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font_02_sfnt_off00013d68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D68 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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