MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Numerous heuristics point to the PDF acting as a link farm, with many external URIs pointing to compromised or disposable hosting. The presence of multiple links to PDF files on these domains suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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://srmresidences.com/images/bulk_images/files/2927449560.pdf In PDF document text
- http://ticaproduce.com/ckfinder/userfiles/files/xobodudirew.pdfIn PDF document text
- https://czus-lukasa.sk/userfiles/file/kokuwetikomoperi.pdfIn PDF document text
- http://bischofs-scheune.de/userfiles/file/77559153080.pdfIn PDF document text
- https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/5baebf340384e62cb3698cb71c2939ad/1784535300.pdfIn PDF document text
- http://skonasystems.com/userfiles/file/garoxej.pdfIn PDF document text
- http://e-pisanie-prac.pl/famprojekt_z_serwera/images/file/gorowogubinojarenuwuko.pdfIn PDF document text
- https://virker-ikke.dk/files/tamoloned.pdfIn PDF document text
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160e21dce766a0---sepilomu.pdfIn PDF document text
- http://techscreening.com/userfiles/files/14508038971.pdfIn PDF document text
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/44484d44e212198de36d8da39c58058f/81216000087.pdfIn PDF document text
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077585f3d342---70459496287.pdfIn PDF document text
- https://whiteplacard.com/UserFiles/file/313384016.pdfIn PDF document text
- http://hurtglass.pl/upload/file/4130422687.pdfIn PDF document text
- http://195exim.com/datas/files/wifelodegesisokuwow.pdfIn PDF document text
- http://reszke.pl/fckeditor/editor/filemanager/connectors/php/file/96328047722.pdfIn PDF document text
- http://zvezda-rostov.ru/ckfinder/userfiles/files/wemazebujivujaxafivadina.pdfIn PDF document text
- http://a-swiss.com/upload/userfiles/file/noxuvurutipurekapukofobi.pdfIn PDF document text
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/e9rn6o9ajiqbp319qetkn4saiv/26586626019.pdfIn PDF document text
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607460291594f---56674457053.pdfIn PDF document text
- https://baxsporthorses.nl/userfiles/file/80617198678.pdfIn PDF document text
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/e18face41f5ae78dcb7d3cf737e21e31/20027785213.pdfIn PDF document text
- https://ratco-hardware.com/Ups/files/lekudadimebadesewuzu.pdfIn PDF document text
- http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160bdb77f1ea8d---rosis.pdfIn PDF document text
- http://creaorganization.com/depo/sayfaresim/file/zubodogamafezudunajo.pdfIn PDF document text
- http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/36668050988.pdfIn PDF document text
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a44ea1b8bfa---fulagazuvevirefimu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=year+1+addition+and+subtraction+worksheets+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_off0000dfc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFC4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f7db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7DB | 11124 bytes |
SHA-256: 2413d0a1959ea6d18f78f51b21852396f70fd84886a4c8fc138e702baf3c7d72 |
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font_02_sfnt_off000111a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111A4 | 17380 bytes |
SHA-256: f2503ad0ec69d8f2d53945846e35a77eab01a078f6d9bdeb4d8bcce6bb2e36ce |
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