MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised websites hosted on potentially disposable infrastructure. These links likely serve as lures for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
Heuristics 6
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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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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://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/4fjqmhed8jcbts9rd03pk3l91m/pujim.pdf In PDF document text
- http://rford67613.com/clients/a/a2/a20594cba7d6fe247bc87ef9b80620db/File/87475008764.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/230bbfdddbd1ad406f24eca2d6a413a3/52283808231.pdfIn PDF document text
- http://smcertificationservices.com/userfiles/files/68587094932.pdfIn PDF document text
- http://aelma.com/sites/default/userfiles/file/47132999122.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/e5a844433b9a4f7de9bcfe29a9f61ef1/2107385528.pdfIn PDF document text
- http://polins.org/public/userfiles/file/wirifevawejikimenenaj.pdfIn PDF document text
- http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/160aaa00618ed6---32615953276.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16084d8c768450---rumovimiwe.pdfIn PDF document text
- https://eyescare.vn/app/webroot/upload/ckfinder/files/vimefatodojawodot.pdfIn PDF document text
- http://ntouioc.ntou.edu.tw/ckfinder/userfiles/files/fetuza.pdfIn PDF document text
- https://codecs.roimages/file/67676588040.pdfIn PDF document text
- https://csn-alliance.com/data/files/fokinadifodaxoxizux.pdfIn PDF document text
- http://balassalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/diginexivenubidudutito.pdfIn PDF document text
- https://www.alapan.org/fckimages/file/wafebogobutow.pdfIn PDF document text
- http://icloudcleaners.com/uploads/account/autoresponderfiles/wivuviwepes.pdfIn PDF document text
- http://dytac.hk/userfiles/rubiwenejujigejorebiwose.pdfIn PDF document text
- http://naasschoolofmotoring.com/fckeditor/userfiles/file/29688437648.pdfIn PDF document text
- http://polymer-optix.de/userfiles/file/56734205823.pdfIn PDF document text
- http://hgbs.de/userfiles/file/wujow.pdfIn PDF document text
- https://trsoftyazilim.com/genelresimler/file/pamuboxenowupojabej.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=algebraic+equations+worksheet+7th+gradePDF 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_off0000d547.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD547 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ed5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED5E | 11244 bytes |
SHA-256: 6cda71bd49a23c1914c1427fc5c66f87ea041b67ce91e5e1e5529fb8c4da5df3 |
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font_02_sfnt_off0001074d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1074D | 18316 bytes |
SHA-256: 791c18f28ea2afa244fe56bb4a79f2ffb71a660be345a236d8b65eb4138b692a |
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