MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is a PDF identified as malicious by ClamAV and an ML classifier. It contains numerous embedded URLs, many of which point to compromised or disposable domains, indicating a link farm designed to redirect users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically flags this behavior, suggesting the document's purpose is to distribute malicious content or phish credentials through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://baohanhranghm.com/upload/img/files/lipaxefu.pdf In PDF document text
- http://bydnjl.com/userfiles/files/64631301525.pdfIn PDF document text
- https://lengthening-sldf.com/userfiles/file/99502863605.pdfIn PDF document text
- http://odesignlab.ru/admin/ckfinder/userfiles/files/84840890867.pdfIn PDF document text
- http://thaicockstar.com/ckfinder/userfiles/files/dojaxuju.pdfIn PDF document text
- http://pi-consulting.ch/download/ludizugazediji.pdfIn PDF document text
- http://ausafe.net/images/art/files/18483280336.pdfIn PDF document text
- https://yourdentist.ro/app/webroot/files/userfiles/files/gutopisojawilar.pdfIn PDF document text
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1607de72ce2d74---64554855504.pdfIn PDF document text
- http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c4d8844359d---84250764261.pdfIn PDF document text
- http://sieuthibongda.net/ckfinder/userfiles/files/zozedotawapagumeku.pdfIn PDF document text
- https://riwg.in/userfiles/file/gowerar.pdfIn PDF document text
- http://travelport.pl/userfiles//file/40443789295.pdfIn PDF document text
- http://thamcohoaian.com/webroot/img/files/gidupejomirijekarovuvow.pdfIn PDF document text
- http://liburnia.pl/userfiles/file/jijimufol.pdfIn PDF document text
- https://rkdestate.com/userfiles/file/gazenuwazubimimilaropu.pdfIn PDF document text
- http://saigonford3s.com/uploads/2021-07-24/images/files/nudozibemudupogawijol.pdfIn PDF document text
- https://yassinortho.com/userfiles/file/lasipibuf.pdfIn PDF document text
- https://blugarden.eu/file/87012277286.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b2952601021---dujoriperigibukozi.pdfIn PDF document text
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/1u54h8lmom4cn4p26v9aj422q2/23895571897.pdfIn PDF document text
- http://phayaotechno.com/UserFiles/File/31170026918.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=faraday%27s+law+phet+worksheet+answersPDF 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_off0000bd65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD65 | 17124 bytes |
SHA-256: 05078430f078b45404858646001a596584030e3294240626fb55205870a06fa8 |
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font_01_sfnt_off0000e938.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE938 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001014f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1014F | 10700 bytes |
SHA-256: a91ed2ee7eb696da58a3c679e6c11ebd33285a12b29f44ab3c50d9d6a3789b73 |
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