MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URLs, many of which are hosted on compromised WordPress sites or disposable domains, suggesting a link farm or phishing lure. The PDF structure and embedded URLs point towards an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 https://medvor.ru/uplcv?utm_term=my+hero+academia+season+1+episode+1 PDF link annotation
- https://natinsel.com/imagenes/file/sidowoloxukuledadomi.pdfIn PDF document text
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136e59a5824f---62076765330.pdfIn PDF document text
- http://shbaicun.com/userfiles/file/2021090705044273499.pdfIn PDF document text
- http://westernstudioservice.com/admin/userfiles/file/77364614955.pdfIn PDF document text
- http://thebookmarkcafe.com/uploads/files/62849221522.pdfIn PDF document text
- https://twinslock.com/locktactyuma/userfiles/file/jinulutevewobonufukezub.pdfIn PDF document text
- http://studiolegalezullo.eu/userfiles/files/38336619707.pdfIn PDF document text
- http://infrabud.eu/fckpliki/file/97274621216.pdfIn PDF document text
- https://perfumes.dropship-tracking.com/userfiles/files/javuzi.pdfIn PDF document text
- http://ayurveda-shiatsu-nice.com/upload/files/fuvulelokim.pdfIn PDF document text
- http://pomodorolennep.de/gfx/userfiles/files/10757243816.pdfIn PDF document text
- http://thongthien.vn/upload/files/16977271354.pdfIn PDF document text
- http://keystoparadise.com/userfiles/files/99387485830.pdfIn PDF document text
- http://angelojrobles.com/admin_initial_test/userfiles/file/2317562653.pdfIn PDF document text
- http://keystoparadise.com/userfiles/files/99022363460.pdfIn PDF document text
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/b10499ff97987d986077f3452fda7ad4/943176808.pdfIn PDF document text
- https://lacgl.org/upload/editor/file/70926517009.pdfIn PDF document text
- http://studioaeditecne.it/userfiles/file/posepomodekeketatu.pdfIn PDF document text
- http://innotack.com/userfiles/file/xodozagex.pdfIn PDF document text
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/161323ba19ecdb---funamalezep.pdfIn PDF document text
- http://ahdjcm.com/upload/files/37004294131.pdfIn PDF document text
- http://w-mill.jp/images/file/wumuvonadumarusad.pdfIn PDF document text
- https://huanghecables.com/d/files/26437574374.pdfIn PDF document text
- 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_off0000d1ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1AC | 10792 bytes |
SHA-256: c21bd0f2732a140e386a7288dab4901276a6090e5919086f56bf98c786c191c9 |
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font_01_sfnt_off0000ea62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA62 | 18804 bytes |
SHA-256: 040439fc5fd31fdd0fca21e1be3cf20ee3fb3d09916a69ab0fbee393160d2c68 |
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font_02_sfnt_off00011b99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B99 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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