MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. Heuristics indicate the document functions as a link farm, with numerous embedded URLs pointing to potentially compromised or disposable hosting. These links likely serve to redirect users to phishing sites or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/cf645b0d60a9952e37b2a723b86240ec/tagal.pdf In PDF document text
- http://guowangcable.com/d/files/82267325094.pdfIn PDF document text
- http://storemisr.com/uploads/files/fivibujekimoso.pdfIn PDF document text
- http://longarmquiltingacadamy.com/fckeditor/userfiles/file/62395448663.pdfIn PDF document text
- https://gangwontaxi.com/FileData/ckfinder/files/20210908_67A59D29D0EC0D39.pdfIn PDF document text
- http://adhunikjewellers.com/ckfinder/userfiles/files/4326690058.pdfIn PDF document text
- http://xn--aknmedical-yub.com/uploads/file/79733537954.pdfIn PDF document text
- https://zmiz.hr/userfiles/file/jadamepi.pdfIn PDF document text
- http://deeringbayrealestate.com/userfiles/files/15186332458.pdfIn PDF document text
- http://ibb-online.ru/f/file/52899565508.pdfIn PDF document text
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/tear13dvmnvgtqcs2urvt2iod5/kigijalerafeg.pdfIn PDF document text
- http://ryanoomen.nl/uploadimages/files/sevamazebugofexunufe.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/3f500648023b961be7ea8d88f84c98af/18588829662.pdfIn PDF document text
- http://wanyuantemple.tw/userfiles/file/85682593943.pdfIn PDF document text
- http://studiosantomauro.it/userfiles/files/30414244512.pdfIn PDF document text
- http://terhautz.com/upload_files/files/fopugip.pdfIn PDF document text
- http://phongthuyphatloc.com/luutru/files/jepanedodemexowup.pdfIn PDF document text
- http://nocleginaplus.pl/uploads/userfiles/files/kifefemawifavove.pdfIn PDF document text
- http://ipoz.pl/userfiles/file/vitovuzinokase.pdfIn PDF document text
- http://odumakus.com/uploads/files/42240654800.pdfIn PDF document text
- http://gesundezellen.com/neu/userfiles/file/jopepivekunepeloruxez.pdfIn PDF document text
- http://stark-tools.ru/images/uploaded/34493869311.pdfIn PDF document text
- http://sten.kr/club/data/userfiles/file/20210909200017.pdfIn PDF document text
- http://nhakhoasaigonkimcuong.com/uploads/images/files/15368841406.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=barbie+magical+fashion+apkPDF 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_off0000d93a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD93A | 18548 bytes |
SHA-256: ad05d60531d8fd82dcad5646e0c696f53e1adf882087af51225d48fb4710583c |
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font_01_sfnt_off00010986.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10986 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001219d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1219D | 11112 bytes |
SHA-256: 7469130dc995eb412425bf9fd62a17ddbe15df982a7e5dd0567355982580279c |
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