MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm directing users to multiple other PDFs hosted on compromised websites. This pattern is indicative of a phishing or malware distribution campaign, where the initial PDF serves as a lure to redirect victims to malicious content. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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://balajitutorial.com/admin/userfiles/file/wisive.pdf In PDF document text
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/2vg5so28dbngpomf83em3f6ups/94956905704.pdfIn PDF document text
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16070e0b9a71bf---78874428189.pdfIn PDF document text
- http://www.heksan.com.pl/file/rikuzadezuwineko.pdfIn PDF document text
- https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/d04387d322e42a277d770a3961901a52/1925178993.pdfIn PDF document text
- http://carriewoodfamily.com/clients/5/5b/5b9f2fb360c4065436fb7fe1267c3612/File/83611965256.pdfIn PDF document text
- http://i-daa-wl.de/userfiles/18202061162.pdfIn PDF document text
- https://egca.fr/userfiles/file/midovepigopelutapa.pdfIn PDF document text
- https://techson-cctv.com/upload/file/340351106.pdfIn PDF document text
- http://www.aqsclimited.com/EditorImages/file/53935058520.pdfIn PDF document text
- http://keacg.com/upload/files/waxomevamafanetitiw.pdfIn PDF document text
- http://portalcom-b2b.es/img/user///file/_0139645001621895168.pdfIn PDF document text
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160ccff6bda241---vukuk.pdfIn PDF document text
- http://cdmatik.com/uploads/file/9006111552.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/16083e6728aff1---53416099344.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/9mdqp6ggh857cjvinr496rplit/xesimijipoxux.pdfIn PDF document text
- http://stellarp.com/userfiles/files/34733456567.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608a45d507bd3---xefuwujimozolupumubonukuw.pdfIn PDF document text
- http://dolphinegypt.net/userfiles/file/duxabotibokedifafug.pdfIn PDF document text
- http://winhazel.com/indigo/ckfinder/userfiles/files/mesagozipop.pdfIn PDF document text
- https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/05275402b0c1609af6a75af3802e24dc/buzaw.pdfIn PDF document text
- http://jucal.es/images/file/gefadabibeletuxij.pdfIn PDF document text
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/77be3cdb62a3e2851936763841d10d47/serub.pdfIn PDF document text
- https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/ebcfbad19b83e458da767dbf65383d00/60336087501.pdfIn PDF document text
- https://tepihtrava.rs//files/6746423054.pdfIn PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2e4ee02861---22228054005.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=elephant+in+the+skyPDF 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_off0000efe4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFE4 | 10320 bytes |
SHA-256: c83926d4f4072d0d9c40d1d3a64283789daebd83f7eda93d4a8d63cba6e4656a |
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font_01_sfnt_off00010718.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10718 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011f2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F2A | 16472 bytes |
SHA-256: 6e26e5d2a19528367f45465dcffb63d348130e5df385be7ac69e49b99b533299 |
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