MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as a phishing trojan and an ML classifier indicated high maliciousness. It contains numerous links, many pointing to compromised CMS upload directories, suggesting a link farm designed to distribute malicious content or phish users. The presence of UTM parameters in some URLs further supports a campaign-like distribution strategy.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://m-astar.com/UserFiles/files/jikelojopanopuwilut.pdf In PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c4d04517c0b---povodol.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9192288ee1---98084041506.pdfIn PDF document text
- http://vakantie-noordlimburg.nl/ckfinder/userfiles/files/28766696473.pdfIn PDF document text
- https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/934d2baff42cff362c5f3fdda017b8b4/vopidixisevodakawumewovu.pdfIn PDF document text
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160955a4718c18---20968177746.pdfIn PDF document text
- http://czdashan.cn/uploadfile/file/2021042903293673499.pdfIn PDF document text
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/edt2o1s90qucufgmbfrhh77ivi/dulomamazisav.pdfIn PDF document text
- https://pasarantogel.com/contents//files/75181600802.pdfIn PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098461fda072---83587613708.pdfIn PDF document text
- http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/lpqmvhh4236jmi0q6u38hjhbhr/68899542088.pdfIn PDF document text
- http://linuxnewyork.com/draft/media//midagidirobomiseduk.pdfIn PDF document text
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160dc773267c13---xuwamikofenazuzogufokaz.pdfIn PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f23b7a4559---depanimexuzuzuwiluzodujet.pdfIn PDF document text
- http://deurenhanger.nl/userfiles/file/wowines.pdfIn PDF document text
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160db1736ba74f---68673551789.pdfIn PDF document text
- https://bravo-hk.com/userfiles/file/tofesesugofazafaw.pdfIn PDF document text
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16071e9afd2eda---31481648315.pdfIn PDF document text
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/b9a9c65ab6b69f7f22b0d3649fbbe09c/97881133206.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1609acdb94cae6---zazosopubofobu.pdfIn PDF document text
- http://thaoduocquyhiem.com/userfiles/image/file/43606427806.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160988745c212f---mepalaporatijov.pdfIn PDF document text
- http://www.aadhar-interior.com/userfiles/file/vapakotijitugegowafesef.pdfIn PDF document text
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160917d4329011---62995139854.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=believer+song+in+tamil+mp3+download+in+masstamilanPDF 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_off0000f4ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4AB | 17096 bytes |
SHA-256: 16defe116230d4b320283d0349af67e3e9d8041303b45c50d0d74fd777c18074 |
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font_01_sfnt_off00012180.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12180 | 11112 bytes |
SHA-256: bb52f84dfc57370399b33e9b6295a43409f2cf6abbc35b2e872ca63d37eb9205 |
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font_02_sfnt_off00013b53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B53 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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