MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous links, many pointing to compromised WordPress installations or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of multiple external URIs and a raw IP address in URIs further supports this malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://bjhtdszdh.com/v15/Upload/file/20215131558357716.pdf
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075c5e4c555a---deribonebevimisenodev.pdf
- http://aarogyamedico.com/userfiles/file/59252313129.pdf
- http://stroisvias.ru/userfiles/file/tigisinopinuxaviwuzib.pdf
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/s7bush8q6c62aot3op8jaqt2k5/6746753605.pdf
- https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/33200cce6dc1f16a37eccaa0362f7287/fubusasanebezevoseroluriz.pdf
- http://azizolace.cz/images/file/48442399768.pdf
- http://strandedtattoo.net/file/gabajavonaxipetafepe.pdf
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/1609f556200e5f---85057839689.pdf
- https://ever-progress.com/upload/files/10032602622.pdf
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160752252c381f---nizubiz.pdf
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/rmvq5mohckca1irf1l15cf3d7k/zomiziremupurati.pdf
- http://alexanderkanevskyartgallery.com/clientMedia/file/50071104704.pdf
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/36c1837252c61f522cdb2b20e6be4090/fuwefe.pdf
- https://henklinders.nl/henklinders/upload/files/33216079324.pdf
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/91bdcbf94aef06bda8cf64640153d9fc/19386968178.pdf
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/ofa7u77vfhecu3hejjudttfib6/29193243891.pdf
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/e8487a92bc0c80a301344dafcf394907/5785503747.pdf
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/2e0fcfd5d73d574670bc2bd61e6965b4/tixopu.pdf
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072f5ce7b77f---58935673971.pdf
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16078842eeeba1---zalitagedikezebafe.pdf
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ad60c68b25---kosamaxodepufotovirerij.pdf
- http://kovove-ploty-brany-zabradli.cz/UserFiles/File/rovenefeketinefa.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=mitral+regurgitation+and+heart+failure
- 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_off0000cba8.bin87324105a01ae9abf128d26c5053d63deb7716ff5836a826b471e141166e26f0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBA8 | 15980 bytes |
font_01_sfnt_off0000f4dd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4DD | 16792 bytes |
font_02_sfnt_off00010cf4.binc28bd66853cc31d425fb26979f87a61c045cfc8d4dcb87317e47093c8bbb4799 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CF4 | 10560 bytes |
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