MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, forming a link farm. The presence of embedded JavaScript and a high ML classifier score indicate malicious intent, likely to redirect users to phishing sites or download further malware. ClamAV also detected this as Pdf.Phishing.Trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://allytemp.ru/uplcv?utm_term=new+movies+ringtones+2021 PDF link annotation
- http://titibbs.xyz/js/ckfinder/userfiles/files/36676495637.pdfIn PDF document text
- http://erpos.sk/data/files/96945801332.pdfIn PDF document text
- http://tonghuichem.com/upload/files/36207048318.pdfIn PDF document text
- http://poslovniimenik.net/firme_data/files/54088606670.pdfIn PDF document text
- http://shopabrang.com/images/files/11844182243.pdfIn PDF document text
- http://sensor4you.com/fckeditor/editor/filemanager/connectors/php/fckeditor/upload/202109/file/2767083592.pdfIn PDF document text
- http://igigeothermal.jp/userfiles/file/mufaxibevoturerimujokubow.pdfIn PDF document text
- http://teplo76.ru/uploads/file/99302268332.pdfIn PDF document text
- https://giraffeng.net/infodaily/gen-ckfinder/userfiles/files/zemibene.pdfIn PDF document text
- https://aquafilling.com/userfiles/file/99649704811.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161426e6d29cb2---98198883066.pdfIn PDF document text
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16130cd73ccae8---sulefugapurologafe.pdfIn PDF document text
- https://aayams.com/userfiles/file/jokezojemizubemujawifawa.pdfIn PDF document text
- http://centromedicoveterinarioadda.com/userfiles/files/vipumabelufenu.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/59072be05a328018013d329e4074724b/xabomajagowolu.pdfIn PDF document text
- https://almuhja.ps/ckfinder/userfiles/files/sibixukiserojaponuditi.pdfIn PDF document text
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613507e62078f---fulojumudekawedeso.pdfIn PDF document text
- https://cepatdaftargroup2.com/contents/files/fizogakivomerip.pdfIn PDF document text
- http://deeringbayrealestate.com/userfiles/files/77933272175.pdfIn PDF document text
- 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_off0000e04f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE04F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f861.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF861 | 18020 bytes |
SHA-256: bf0a609c78eb164fd3c42df09e512d1895783d5b20807b54e832f16921de61d9 |
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font_02_sfnt_off000126fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126FE | 10664 bytes |
SHA-256: a14e18b238cb38a7fea6cfeb6acbcfff0a5d6445752ac68f21c67a041aaf2c48 |
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