MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://adacu.org/userfiles/file/20210909015549.pdf In PDF document text
- https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/5c6e469ffbae9e264d76752a3502e186/3536764828.pdfIn PDF document text
- http://ip-malkov.ru/uploads/files/vasozupago.pdfIn PDF document text
- https://okazdedziecko.pl/_files/Media/file/41048931625.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/591c820dbe5807fc0507ff686299fd78/wudiru.pdfIn PDF document text
- http://pentas.eu/userfiles/file/67306813802.pdfIn PDF document text
- https://proektasis.gr/admin/spaw2/uploads/files/liwobevur.pdfIn PDF document text
- http://zehanbiopharma.com/upload/files/85912176653.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/6p367glrkct7f0k9jb0j6gt6s1/tamodalawidusok.pdfIn PDF document text
- http://brette-animation.com/userfiles/file/75655274076.pdfIn PDF document text
- http://velkoobchod-man.eu/ckfinder/userfiles/files/nomuniduzebiz.pdfIn PDF document text
- http://marathon-gexin.com/Uploadfiles/files/sanobesudofujenatisowu.pdfIn PDF document text
- http://kite-surf.sk/files/sigube.pdfIn PDF document text
- http://brunagabriele.it/userfiles/files/vegozuju.pdfIn PDF document text
- https://mehreganimaging.ir/images/upload/files/fefupabiluzugajudaf.pdfIn PDF document text
- http://fuguchair.com/upfolder/e/files/20210910224341.pdfIn PDF document text
- http://xlpe.net/Images_upload/files/pesogurimesexaz.pdfIn PDF document text
- http://tochuchoinghi.org/files/48749435989.pdfIn PDF document text
- https://yifff.se/userfiles/file/muwogefileluliwedotupubep.pdfIn PDF document text
- http://www.firstpages.eu/app/webroot/files/userfiles/files/62091882767.pdfIn PDF document text
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161316927693d8---96702173248.pdfIn PDF document text
- https://terlickodds.cz/www/www/fckphotos/file/13458137150.pdfIn PDF document text
- https://ooobelkom.ru/ckfinder/userfiles/files/nuzexaw.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=wps+tester+premiumPDF 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_off0000c433.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC433 | 17436 bytes |
SHA-256: 85802e25480d1f6fce5397441e562d3545544b953d4201d5c5238bf55bcdbd31 |
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font_01_sfnt_off0000f13b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF13B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010952.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10952 | 10072 bytes |
SHA-256: 572bbae812ace22f431b96cc4fb1d4dee9ab469078ae448991b43ae0b1d2c029 |
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