MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ClamAV as a phishing trojan and by an ML classifier with high confidence. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate it's likely part of a phishing campaign, potentially using embedded scripts to facilitate redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://bienenaktuell.com/sites/bienenaktuell.com/files/file/83171933691.pdf In PDF document text
- http://sutinlawkrabi.com/ckfinder/userfiles/files/tenowaxot.pdfIn PDF document text
- https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/7q4r7ciitu0sielu9jc804dahk/27017953782.pdfIn PDF document text
- http://falconfam.com/ckfinder/userfiles/files/93416733389.pdfIn PDF document text
- http://megat.pl/uploaded/fck_files/file/74525333648.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134e3d044f51---28292866461.pdfIn PDF document text
- https://ls-machinery.com/uploadpic/files/202108200158452892.pdfIn PDF document text
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/64ea50ed58d6d8749919196b93f6ea8f/49073045627.pdfIn PDF document text
- http://93564497.com/userfiles/3699514699.pdfIn PDF document text
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/40e86a95d2ec7641de59ae98cf2d502e/38392373382.pdfIn PDF document text
- http://ideatity.com/ckfinder/userfiles/files/mipomonugaxu.pdfIn PDF document text
- http://greenmodels.ru/uploads/files/11976595944.pdfIn PDF document text
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083f396ecdbe---fanenepokorejum.pdfIn PDF document text
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/9ae0a289a5494b6065e6f6631cb9473c/75885203506.pdfIn PDF document text
- http://wienbildarchiv.com/upload_files/files/9927675744.pdfIn PDF document text
- http://vin-baietii.ro/ckfinder/userfiles/files/xosolivikowozogefitol.pdfIn PDF document text
- https://baxsporthorses.nl/userfiles/file/68264284216.pdfIn PDF document text
- http://recviem.ru/img/upload/83446331605.pdfIn PDF document text
- http://braciszewska-klimek.pl/fck_files/file/vupebevokikugowodapokono.pdfIn PDF document text
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607e6d63c638a---sirolefimoduvaminoj.pdfIn PDF document text
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/ma4vu0oaqr67mq8o2fdt07kp14/zumuzodinubulalag.pdfIn PDF document text
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611a52575c66b---34369627041.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607b4cfc43afa---sovowogurepe.pdfIn PDF document text
- http://xn--80aatg4aaaddkhfhbf3evf.xn--p1ai/ckfinder/userfiles/files/xanofujubolote.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e79c93166e3---zufifizatasoxijefunudej.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=historia+de+la+cultura+zapoteca+pdfPDF 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://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_off0000d60a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD60A | 10660 bytes |
SHA-256: 297c21acce6e16de41741ddc66837414168b7ac0688170f0bfbea33f8b88c933 |
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font_01_sfnt_off0000ee96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE96 | 19272 bytes |
SHA-256: d14bcff55c9972ebde7a63719268a2a7c7caa7e8e936dcdfac6f5705e595614a |
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font_02_sfnt_off00011f9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F9C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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