MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains embedded JavaScript, which is often used to execute malicious actions or redirect users. The presence of a link farm pointing to compromised CMS upload storage suggests an attempt to obscure the final destination and potentially host malicious content, aligning with phishing or malware delivery tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3376a8f920---xibexudegonekajodi.pdf In PDF document text
- http://www.ecostroyservis.ru/File/34423952923.pdfIn PDF document text
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/2c18e9ee3836354911f58eaff9ab635c/tetedisabi.pdfIn PDF document text
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608b02b03d5c1---6750545589.pdfIn PDF document text
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/61d02f4ed6b3a32c77347987519634be/netam.pdfIn PDF document text
- http://morgancountyoh.com/userimages/77435992171.pdfIn PDF document text
- https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607d22b356f77---wafimumul.pdfIn PDF document text
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/495ef4ea07c3697c19b31c29060d46c9/30010926845.pdfIn PDF document text
- http://kappp.ru/js/ckfinder/userfiles/files/winabijamibolokab.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086ec5952ff1---xugurumevawilapevobe.pdfIn PDF document text
- http://gymostrov.org/gymostrov/userfiles/file/11155183841.pdfIn PDF document text
- http://bizbecho.com/pa/trainstation/uploads/image/file/69516154528.pdfIn PDF document text
- https://capital-tic.com/upload/ckfinder_temp/files/20210616191937.pdfIn PDF document text
- https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/amrrltvc026mleda7fbtjvotct/23886813442.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/29d0a5ebfb9dfa11ff6ad94b8d155fd2/85806621058.pdfIn PDF document text
- https://ikuseikyokai.jp/ckmedia//files/jiwigexezavexire.pdfIn PDF document text
- http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1c70b6c459---41396009691.pdfIn PDF document text
- http://koszyczarek.pl/userfiles/file/37979790366.pdfIn PDF document text
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f97bf4d58c---logiwepoxomoxup.pdfIn PDF document text
- https://zoomkish.com/basefile/zoomkishcom/files/pesajuwabetaru.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160aad42535ab7---wokoxopegatiritobawi.pdfIn PDF document text
- https://africanresearchcenter.com/userfiles/file/pamij.pdfIn PDF document text
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/ga3sbck644erfr42hpru410gfv/zipelufozasedolufurev.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608501e342500---dexipekilopisuk.pdfIn PDF document text
- http://innotec-industrie.be/userfiles/file/5163778305.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=the+hate+u+give+free+pdf+downloadPDF 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_off0000d3af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3AF | 16544 bytes |
SHA-256: f4841c938d27ddf795142c298c1c585fe7535d5c3fbd5d6695019675a5bb2dec |
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font_01_sfnt_off0000fee2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEE2 | 10824 bytes |
SHA-256: fdb75e9ce95696cafb8bf68f1903992bbb4009d3742a2baaf563755c33feb872 |
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font_02_sfnt_off000117a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117A0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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