MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to compromised CMS upload storage, indicating an attempt to host malicious files. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to deliver a phishing payload or exploit. No scripts were extracted, but the structure and URL findings are indicative of a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://consulcongress.it/uploads/assets/file/31265699460.pdf In PDF document text
- http://yunnanyingxiang.com/ckfinder/userfiles/files/fusexerefiludusazozido.pdfIn PDF document text
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ad14746e697---85682677034.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/imlc9i8thas3eq7bc134eludmo/xeziwarimadazuwixo.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b920d76d003---76463814152.pdfIn PDF document text
- http://www.vikingmaterials.com/img/26024163796.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a19fc7902bc---nabifugefegameki.pdfIn PDF document text
- https://sproname.com/files/userfiles/files/90534334485.pdfIn PDF document text
- http://coffee33.ru/archive/file/29880669941.pdfIn PDF document text
- http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/sj95vhv1lpqhjv0a7s958c7scs/dimewobikaxiwi.pdfIn PDF document text
- http://akkoryazilim.com/userfiles/file/17646600256.pdfIn PDF document text
- http://caryhigh1987.com/clients/41333/File/dokinoralunavexixifeta.pdfIn PDF document text
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a18b7295370---54572181436.pdfIn PDF document text
- http://gdfsztal.com/uploadfile/files/vuleveso.pdfIn PDF document text
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/u9ukcj4l28p1gm2c0cn563b999/72161630693.pdfIn PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f054cc2c62---35390919371.pdfIn PDF document text
- http://hkbroadwin.com/userfiles/52628865313.pdfIn PDF document text
- https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/c1f91a5bca33b25d2ce7866ea47173f7/81308384345.pdfIn PDF document text
- http://altinay-law.com/images/file/nupovediguz.pdfIn PDF document text
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/i2l8k7aumajsr1n791oeho84c6/92927775665.pdfIn PDF document text
- http://thienlongadv.com/upload/files/77558501548.pdfIn PDF document text
- https://aravlicraft.com/cmsCart//upload/file/batudawumumav.pdfIn PDF document text
- http://esipro.be/userfiles/file/90796735098.pdfIn PDF document text
- https://medgarlci.com/wp-content/plugins/super-forms/uploads/php/files/501cabe9a68d5fbdcfa830c000f8ebb8/68140019723.pdfIn PDF document text
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc914dbce27---nuroburabifodizes.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=west+des+moines+police+non+emergencyPDF 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_off0000f5e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5E9 | 18728 bytes |
SHA-256: 563cbdb41effcefa3f0e1fe258da2bc06110a9fd4a45418193b23f7b51739fdc |
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font_01_sfnt_off00012641.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12641 | 10800 bytes |
SHA-256: d80ed3e8c55c2f51e55efeb64a6f2b8f0bc5fe8b780a4b9fe0b743be72ab5b9e |
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font_02_sfnt_off00013eed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13EED | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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