MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised CMS upload storage and disposable hosting, suggesting an attempt to redirect users to malicious sites. The embedded URLs, such as http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161451c20921cb---31086482060.pdf, are key indicators of this malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://uptownchantilly.com/uploads/files/51536955431.pdf
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/1c698c0ed2a32e13ab3bdcb230fadaa7/sisugupanogusixatik.pdf
- https://kamwalibais.com/userfiles/file/36225978959.pdf
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614097a18b929---12071351159.pdf
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161451c20921cb---31086482060.pdf
- https://jck.ro/userfiles/file/58313588705.pdf
- http://webcertain.ca/contentupload/fckeditorUploads/organization_/file/47820921743.pdf
- https://officialbacknumber.com/editor_up/libevusegewiminivezaxawi.pdf
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141cc5040650---17940982279.pdf
- http://beiwendq.com/userfiles/file/45150751337.pdf
- http://radio6deenero.com/uploaded/files/44585119818.pdf
- https://ferado.vn/userfiles/file/junuguda.pdf
- http://c2r-auto.com/uploadfiles/file/2021091702435173499.pdf
- http://uptownchantilly.com/uploads/files/menefidekibizinaronimogi.pdf
- https://weldingportal.it/userfiles/file/ludesizogemeg.pdf
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1614862f33a74b---73419383023.pdf
- http://kowel.com/ckfinder/userfiles/files/1631753979.pdf
- http://arcos-eff.it/userfiles/files/98364372896.pdf
- https://osiindia.org/ckfinder/userfiles/files/disaxobexojej.pdf
- http://kant21.com/userData/board/file/33482916225.pdf
- https://promoform.coreform.it/uploads/file/bimuxefijoxusafesa.pdf
- https://artasedanasingaraja.com/uploadfck/file/simojeboketenolirefefop.pdf
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612eac231d5e5---remosazavajane.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=naruto+ultimate+apk
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b5e8.bin3a7f92384bc8c7c39ba15febced6dbbce40553f9bafa3301aee04004fde79eee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5E8 | 10312 bytes |
font_01_sfnt_off0000cd23.binf8d87fe3fc9eb18da141927515fd96569ed53ae6c150a408470656034e26e93d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD23 | 16160 bytes |
font_02_sfnt_off0000f689.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF689 | 16792 bytes |
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