MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, pointing to numerous compromised WordPress upload directories and disposable hosting sites. These links likely serve as lures for phishing attacks or to distribute further malware payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 http://travelshops.pl/userfiles/file/gefinuxululeludivamanona.pdf In PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/981929ee3cc7cffc8d01278b2e99fe4d/9604321466.pdfIn PDF document text
- http://alnadaoil.com/userfiles/file/lufiwirivikewusis.pdfIn PDF document text
- http://apsara.ru/userfiles/file/89733903127.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/09pkkvm1l1oer4g3ri4s2hl4k7/39610270032.pdfIn PDF document text
- https://daleel.global/wp-content/plugins/super-forms/uploads/php/files/vc937h7uajces5nbmb4v12fb43/petosemimesazonokit.pdfIn PDF document text
- http://www.alexgis.com/siteuploads/editorimg/file/xodutofatuvevoxodovoti.pdfIn PDF document text
- http://badischer-kunstverein.de/ckfinder/userfiles/files/tovesowe.pdfIn PDF document text
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/9c6c3f71c05bf196f6c82226bef3464d/87004599002.pdfIn PDF document text
- http://goteneplast.se/files/images/file/46168777143.pdfIn PDF document text
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/ea2n77eoi0jhv0uci9u60hvu04/7128471380.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd3eea6839---64720922095.pdfIn PDF document text
- http://solarhomepage.ch/fckeditor/editor/images/file/52575569145.pdfIn PDF document text
- https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609eabd7ee57c---80693891784.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6eaff7ffbf---kapal.pdfIn PDF document text
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/16071d59397225---21205855558.pdfIn PDF document text
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/dq7mh7ijtem104tomk22356cag/tepugew.pdfIn PDF document text
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/ckd4rep8safdnkpvsq2oo0goct/19896405235.pdfIn PDF document text
- http://aydinservis.com/ckfinder/userfiles/files/givesete.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160cdc701acc79---33289320598.pdfIn PDF document text
- http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073165d4f941---zupuxatokukusa.pdfIn PDF document text
- https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/16dfbe700f6fdc9a238d52f8e3b3396a/47450089265.pdfIn PDF document text
- http://uralinteh.com/uploads/files/1745381134.pdfIn PDF document text
- https://allcreaturesinc.com/files/files/winemewoxafajerufumage.pdfIn PDF document text
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4a77041815---xejujavuji.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=lotto+result+march+6+2021PDF 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_off0000f49a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF49A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010cb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CB1 | 10820 bytes |
SHA-256: 72351d8a70b29c804f50a3f86d78b948a75180e110a4db243006cee17568f5b2 |
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font_02_sfnt_off000125d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125D2 | 17952 bytes |
SHA-256: c783170d12b20f6951b3eb993e629f26061324881727d679d6f8947984875037 |
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