MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to compromised CMS upload directories. The document body is unreadable, but the presence of numerous links to potentially compromised sites suggests a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/161336e505a620---75791238234.pdf In PDF document text
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/7n8ede1s8i5vkrfkqm5cood484/69840795317.pdfIn PDF document text
- https://sapsda.com/SapmaUserfiles/file/57241601165.pdfIn PDF document text
- http://thuexe7cho.vn/upload/files/rewavowigi.pdfIn PDF document text
- http://nut-shell.net/upload/files/8222890503.pdfIn PDF document text
- https://impeka.lt/components/com_mijoshop/opencart/image/data/files/gagosoxuboliga.pdfIn PDF document text
- http://bjerkelunden.org/content/files/userfiles/file///15978923046.pdfIn PDF document text
- http://studiomarcheluzzo.it/userfiles/files/91107897120.pdfIn PDF document text
- http://alwaysshine.com/fileimage/file/84475819766.pdfIn PDF document text
- https://npkfertilizerproduction.com/d/files/dalorifufir.pdfIn PDF document text
- http://dhf-china.com/d/files/25383504012.pdfIn PDF document text
- http://eastendmediation.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nojaxizobowixukopesiteti.pdfIn PDF document text
- http://xn--80aap0abfiql8h.xn--p1ai/admin/ckfinder/userfiles/files/85734712271.pdfIn PDF document text
- https://jechrina.gr/FCKeditor/userimages/file/87486172329.pdfIn PDF document text
- https://shibbirs.com/media/files/41127594500.pdfIn PDF document text
- https://ristovski.mk/public_html/upload/userfiles/file/9759118681.pdfIn PDF document text
- https://datajournonepal.org/files/gozotomaja.pdfIn PDF document text
- https://tectrongim.com/uploads/file/57850827730.pdfIn PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/161318bbc6b1a1---12161200135.pdfIn PDF document text
- https://snapstudios.ca/userfiles/file/59222738328.pdfIn PDF document text
- http://gianenricofabro.com/userfiles/files/jolaxiluvala.pdfIn PDF document text
- http://guojingmall.com/userfiles/file///17502603458.pdfIn PDF document text
- http://gartenbaukoeln.de/uploads/files/28804735470.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=prison+architect+androidPDF 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_off0000bd43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD43 | 10424 bytes |
SHA-256: 5111b707f36bf6bdb123c4f203b01ece882afeacd0007421002a777f6ee5ad8e |
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font_01_sfnt_off0000d4d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4D7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ece9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECE9 | 16672 bytes |
SHA-256: dc2c43e432c21ce3ff93b7a00fcf1ff6495a398931597c621f6cac82e1d5e4fb |
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