MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to other PDF files hosted on compromised WordPress sites. The presence of numerous links to potentially compromised upload directories suggests a distribution or phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://videoacceso.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b72a9ce0adc---72392486364.pdf In PDF document text
- http://lbhs1965.com/clients/6/6b/6bdd8f708684a1f547efbf97e1630fe5/File/kifagovadolep.pdfIn PDF document text
- http://accessprecision.com/userfiles/file/2163738052.pdfIn PDF document text
- http://msnladyboy.com/ckfinder/userfiles/files/poladaxumatukovavidi.pdfIn PDF document text
- http://eko-inwest.eu/upload/file/rosamunizejewokalodofe.pdfIn PDF document text
- http://klimagra.pl/images/wysiwyg_img/file/83358423155.pdfIn PDF document text
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/b5abb9eaa8e5464f5e68fecc5bcf6618/ketuzaluvibarafadum.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc5764af1a---begusekoj.pdfIn PDF document text
- http://kinocosmik.ru/sadm_files/19908524907.pdfIn PDF document text
- http://inse.us/uploads/images//files/45793248526.pdfIn PDF document text
- https://ifbscalidad.eus/files/galeria/files/92602465739.pdfIn PDF document text
- http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084eb2873d86---32340087074.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/osptc51gp7d5hlp9s3pdd58rf8/govezowezelagijaromibowe.pdfIn PDF document text
- https://xn--22ck6bdp5cach0mc23a.com/ckfinder/userfiles/files/karidipij.pdfIn PDF document text
- https://lemanssrl.it/file/tumoligefufuzebunim.pdfIn PDF document text
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/464952ea9888e82b4ea8080f3e1fb8dc/60064898057.pdfIn PDF document text
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/6b0b1a1b6eed06d0f984090701c74947/weruzex.pdfIn PDF document text
- http://bociany.sk/media/file/weluwokizafukulatepol.pdfIn PDF document text
- http://chiengthai.com/file_media/file_image/file/71291523338.pdfIn PDF document text
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c8b6ff85345---rumusumun.pdfIn PDF document text
- http://aftckwt.com/uploads/file/timimutojuperojibisosizig.pdfIn PDF document text
- https://np21bellapalermoshopping.it/file/47074834117.pdfIn PDF document text
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/a2dfff9eaecc631a880799ff80ad8703/71421358416.pdfIn PDF document text
- http://daearesort.com/FileData/ckfinder/files/20210724_CD2CBFE09C4DF2EA.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=download+game+need+for+speed+most+wanted+android+highly+compressedPDF 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_off0000e544.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE544 | 11268 bytes |
SHA-256: b3a4898a65057b6eecd3bd0cb6d7c564e7ca1848a70443406f3e1e16ff55390d |
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font_01_sfnt_off0000ff63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF63 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011775.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11775 | 18404 bytes |
SHA-256: 7e34e5f4a59e33bda41976fc98203264ada0a75bcabf907de6717379691466a9 |
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