MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, with many URLs pointing to compromised CMS uploads or disposable hosting, suggesting a phishing or malware distribution scheme. The PDF itself contains no readable content, further supporting its role as a simple redirection mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://rijst.nu/userfiles/file/kolizoviwu.pdf In PDF document text
- https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083d8ef5172e---wulilizudiwenuxufatas.pdfIn PDF document text
- https://xn--faades-mtal-n9a6a.ch/ckfinder/userfiles/files/16883639567.pdfIn PDF document text
- http://myphamlulanjina.com/upload/files/najakega.pdfIn PDF document text
- https://anduong-nhatthanh.com/uploads/news_file/53436775334.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/1609ba16eb6aab---zekefidekuduwuzopesufox.pdfIn PDF document text
- https://fortworthdental.net/cmsCart/upload/file/zabavejavo.pdfIn PDF document text
- https://alutat.com/data/file/37577164676.pdfIn PDF document text
- http://alnadaoil.com/userfiles/file/84700359549.pdfIn PDF document text
- http://studiopetrilli.it/userfiles/files/37346847659.pdfIn PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a93c4f6a91e---93751699779.pdfIn PDF document text
- http://agcslohian.com/userfiles/file/gawometunovumuporosarib.pdfIn PDF document text
- http://bitree.net/ckfinder/userfiles/files/32522323890.pdfIn PDF document text
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/ue6pt0a5l5f0r1l4ohu04mof15/20204548124.pdfIn PDF document text
- https://www.singaporemedicalclinic.com/ckfinder/userfiles/files/pumixeloxobaguladulob.pdfIn PDF document text
- https://www.psk.com.au/application/third_party/ckfinder/userfiles/files/38668389956.pdfIn PDF document text
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/f84scnd9mkobf0sv4r7jcjm15v/lumikunaximili.pdfIn PDF document text
- http://celcg.pl/uploaded/file/fefupixegadubufaxezevifus.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160898b9ad0447---sasile.pdfIn PDF document text
- http://effektfilm.de/files/file/jefiwulopu.pdfIn PDF document text
- https://mayphotocopydogia.com/upload/files/40776087845.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=extracurricular+definicion+pdfPDF 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_off0000c287.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC287 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000da99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA99 | 18324 bytes |
SHA-256: 8d709af54a5f7697756b9fb15cd497d7b23d055e82c37a4d7c27dfb8e745299d |
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font_02_sfnt_off00010a60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A60 | 10628 bytes |
SHA-256: c8bea90088a3f6ac1c4d2c22a568728a8ef6d80cf860b7f3158032e7e6169651 |
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