MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Static analysis revealed it functions as a link farm, containing numerous URLs pointing to external resources. Several of these URLs lead to files hosted on compromised WordPress sites or disposable domains, indicating a likely attempt to lure users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://bilafafafa.com/shopadmin/upload/files/tutajajapunegazamom.pdf In PDF document text
- https://anhhuynoithat.com/asset/files/36983079444.pdfIn PDF document text
- http://tradeweb.es/userfiles/file/zevuvusidega.pdfIn PDF document text
- http://bakefruit.com/uploads/files/202109031755043829.pdfIn PDF document text
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/ec1846d414ba058d1cfff09f1a4693e2/wovagufunabivadesegezumib.pdfIn PDF document text
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f85e3b0b4a---divatejaner.pdfIn PDF document text
- http://knipia.com/userfiles/file/kafarelolewux.pdfIn PDF document text
- http://idroter.org/userfiles/files/pofavujisodut.pdfIn PDF document text
- http://faisaltowel.com/survey/userfiles/files/donovu.pdfIn PDF document text
- http://wxbeimei.cn/upload/ckimg/files/202109141518199100.pdfIn PDF document text
- https://flomogroup.com/upload/files/niwodire.pdfIn PDF document text
- https://bibliothequedesarts.ch/ckfinder/userfiles/files/2446012613.pdfIn PDF document text
- http://africareview.in/userfiles/file/kuzewasukazow.pdfIn PDF document text
- http://esipro.lu/userfiles/file/nogekalet.pdfIn PDF document text
- http://hk-bbc.com/upload/file/81622019406.pdfIn PDF document text
- http://majorpropertygroup.com/userfiles/files/tusawajofim.pdfIn PDF document text
- https://rajaunited.com/contents/files/wunotizavuxofawoge.pdfIn PDF document text
- http://life-homeshop.com/asset/uploads/files/10417588466.pdfIn PDF document text
- http://blossomtour.net/FileData/ckfinder/files/20210912_E98E4A4A5E203969.pdfIn PDF document text
- http://netisiletisim.com/guvennet/resimlerfiles/73454314335.pdfIn PDF document text
- http://spielundlicht.de/content_provider/documents/files/76167257951.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d5ff434fac---penakana.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=framework+for+android+developmentPDF 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_off0000dcb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCB8 | 17884 bytes |
SHA-256: 9a36023bc592c168c04d6b564ed436f43d16173ecc90a12e653287f5eb4e13c3 |
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font_01_sfnt_off00010b3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B3A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012351.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12351 | 10712 bytes |
SHA-256: 1b7b2b84f5a0dc899a7212f84a9ef96f059ab585aefae3c67bac39786d9d0684 |
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