MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 6
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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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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://qhchemicalsfeed.com/upload/files/26306515431.pdf In PDF document text
- http://hondasushi.com/uploads/files/jonosofasuboxesovo.pdfIn PDF document text
- http://bpabv.nl/uploadfiles/file/61562529819.pdfIn PDF document text
- http://giadinhlaurenso.org/upload/files/duxexufimejureduwipi.pdfIn PDF document text
- http://af.ssla.ru/images/fornews/files/96051429452.pdfIn PDF document text
- https://volnynaklad.cz/data/file/43876551677.pdfIn PDF document text
- http://scro.ru/pic/file/movefuwafo.pdfIn PDF document text
- https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/def0dd77b230105910de5b870d4d8bde/15442597946.pdfIn PDF document text
- https://airbays.com/userfiles/file/45073311429.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16088573259b3f---65170371835.pdfIn PDF document text
- https://psiakocky-potisk.cz/webpagebuilder/ckfinder/userfiles/files/81915602079.pdfIn PDF document text
- https://exporoaster.com/app/webroot/files/images/pages/files/93992405643.pdfIn PDF document text
- http://szentistvanpatika.hu/upload/file/suresokibu.pdfIn PDF document text
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f705c5cbcab---49807490265.pdfIn PDF document text
- http://julianowka.pl/ckfinder/userfiles/files/kukufe.pdfIn PDF document text
- http://be-now.pl/userfiles/file/43768321754.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/d4cbaf45e26a826fd3d13818bd5d3340/rolim.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609af59a7a4b1---getimujitatodenukev.pdfIn PDF document text
- http://strandedtattoo.com/file/jasinizenaxegebafagozixob.pdfIn PDF document text
- http://krzeptowski.pl/file/mogifebigimulena.pdfIn PDF document text
- http://statsale.com/data/upload/ck/files/96851930022.pdfIn PDF document text
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160adba72a20e2---wiwenaloguriwekuxufesoto.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=op+gauba+political+theory+pdfPDF 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_off0000cfba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFBA | 11004 bytes |
SHA-256: 90f8dab9db842c296c2271eef2a7513474b096a200c540bdafd3c2b7e50a23e6 |
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font_01_sfnt_off0000e910.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE910 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010122.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10122 | 17292 bytes |
SHA-256: eb166ba094f9bb8f4b713e37da1fd82474b760b98b4262fab9865d11d6e40d3d |
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