MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a link farm pointing to compromised WordPress upload storage, suggesting an attempt to redirect users to malicious content. The presence of multiple unknown URLs further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9878
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://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160969f010936f---21096229113.pdf In PDF document text
- https://shayangroup.net/wp-content/plugins/super-forms/uploads/php/files/5524889b19033907060df657541f48c0/moripef.pdfIn PDF document text
- http://www.urbanwaterways.info/files/tewagalobu.pdfIn PDF document text
- http://eprdel.cz/userfiles/file/nobadokotuxizezunexewa.pdfIn PDF document text
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/fpnjs5h3sfie1djm7nv0q0hkpo/73866290145.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/e6a6d9c310b62bbac8ac62c64dd8a4be/27249366412.pdfIn PDF document text
- http://precedent.by/_newsite/images_from_html_editor/file/36832594181.pdfIn PDF document text
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/0ce7fffe8e763e372a580f9a27994835/67076303155.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/16072eca96e9cb---23598504001.pdfIn PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/l663e6csmcko5p6ebp7skfle2n/45997191415.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608bafd2a61fe---14579820453.pdfIn PDF document text
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/160932963b03f7---leviraluxonubujijevori.pdfIn PDF document text
- https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/41l1pvs4qd4tk2nc7btclp8p82/52551082325.pdfIn PDF document text
- http://phuvuongcorp.com/luutru/files/75619866171.pdfIn PDF document text
- http://hermangroupcorp.com/clients/3/38/389628ddbd62db2fa1e4299ecdfc1861/File/mefamirovugizi.pdfIn PDF document text
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac343538dfd---duvizavejetawatakixi.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/dbb159b6baca37376febb7c8fb247478/17733588384.pdfIn PDF document text
- https://die-elke.de/cms/elke_page_files/file/42009754583.pdfIn PDF document text
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/8gc0abt786b6g2ce6ps91203n0/37914175198.pdfIn PDF document text
- http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/662c532f4d82d2895abec6a61d2a3552/pomipuvitofa.pdfIn PDF document text
- http://fqcycpa.com/jingkelun/userfiles/files/20210613075914.pdfIn PDF document text
- http://omonetach.pl/foto/ilustracje/file/putuke.pdfIn PDF document text
- https://autoandtruckrepair.net/nbloom/fckuploads/file/48392946510.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=lorde+and+taylor+swiftPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00013243.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13243 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00014a55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14A55 | 18260 bytes |
SHA-256: d92e9a996d4c95d54f2c1135ab2eafa68fd0c4cb75c8a92422e3fd3cfd5cd51b |
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font_02_sfnt_off00017a48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17A48 | 10504 bytes |
SHA-256: 846944ed67ab426095f439e1988c97e11134e1edaca6e2ba4b48efbc5c01daef |
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font_03_sfnt_off00019253.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19253 | 1740 bytes |
SHA-256: a6406c642a2ace9134b476094d72e37b0654b26ae899c88748f9584a800daa09 |
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