MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution campaign. The presence of external URIs and link farms indicates an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://philabc.ru/uplcv?utm_term=free+frp+removal+tool PDF link annotation
- http://hsound.ro/images/custom/file/kodaxizinen.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/161399a3a56abe---80253358126.pdfIn PDF document text
- http://kd-council.com/upfile/files/zofitinifezaxanesu.pdfIn PDF document text
- https://guapa2.com/admin/fck/file/10146958894.pdfIn PDF document text
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/7d607f08f590383965da56e4d603cdd3/73436319790.pdfIn PDF document text
- https://jamurgoreng.net/contents/files/zamowotubezadigifexuwif.pdfIn PDF document text
- https://olympicwroclaw.pl/zdjecia/fck/file/gorenakurisawefu.pdfIn PDF document text
- http://safarekhoob.ir/basefile/safarekhoobir/files/wifajamutidirigoxugeda.pdfIn PDF document text
- http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/16146af5742c10---wewolo.pdfIn PDF document text
- https://cryptoshift.be/anaeter_capital/siteadmin/userfiles/files/35692734339.pdfIn PDF document text
- https://apotekatia.ba/fajlovi/losotigiguwugizav.pdfIn PDF document text
- https://apexsafetyproducts.com/ckfinder/userfiles/files/61431123141.pdfIn PDF document text
- https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/tuvesoluzozagexifumirem.pdfIn PDF document text
- http://bridgestone-ice-cruiser-7000.ru/ckfinder/userfiles/files/xozituxobokopigidita.pdfIn PDF document text
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613f6dd3a163d---98741177927.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135eb7d36d06---54643361474.pdfIn PDF document text
- http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/pawez.pdfIn PDF document text
- http://nriloan.jctoursandtravels.in/files/37472671334.pdfIn PDF document text
- http://ajarnveerapong.com/UserFiles/file/73471797643.pdfIn PDF document text
- https://mavachhaiphong.com/upload/files/mitejesesefewaweputin.pdfIn PDF document text
- https://ego-sofa.tw/uploads/files/202109150438561780.pdfIn PDF document text
- http://myoffice2561.sesao33.net/UserFiles/File/nofabagiviwasutedinunadug.pdfIn PDF document text
- https://cmoretv.com/userfiles/dixisarelejidujaf.pdfIn PDF document text
- http://insp.biz/img/file/zemetatamexesaf.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_off0000cb5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB5E | 16960 bytes |
SHA-256: 21a4b10b2104d73f796780abbef3a71484d4751ed7de1c30adb7cee3f8d7779e |
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font_01_sfnt_off0000f711.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF711 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010f28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F28 | 10196 bytes |
SHA-256: e370ef6c216134861cbb0e5e098da14bbe205cd4cd9b0b70486d5317872255b7 |
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