MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The document contains a link farm pointing to compromised WordPress sites, which in turn host other PDF files. This suggests a multi-stage attack, likely involving phishing or malware distribution through these hosted files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9246
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://philabc.ru/uplcv?utm_term=colour+physics+for+industry+pdf
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/a2bc17f1716dc28b7cee0f5171ba0ff8/63677657349.pdf
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/cd593da182fdacfd7552dbe179329f05/metara.pdf
- http://eca.or.th/ckfinder/userfiles/files/ginupanosazepemoxaza.pdf
- https://mospolytech.ru/storage//files/85768225054.pdf
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160837825383a9---jovojobi.pdf
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075a77642e47---87537228294.pdf
- http://muzycznescyzoryki.pl/userfiles/file/mexag.pdf
- http://twothirdsmajority.us/clients/38522/File/livotugomoriwenudejedeb.pdf
- http://manavpublicschool.org/manav/userfiles/file/xudujotinilifetaraku.pdf
- https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/9da75faeec3a5a4f768ab6dc694e7290/106001336.pdf
- http://www.tokyomagic.jp/images/library/File/26831587724.pdf
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/36f56bdc4fdd572479f1653e5843e88e/pabidagezo.pdf
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/61411f4eab917b3f8fe0b0b83cb22c79/49898841222.pdf
- http://voxel-avocats.fr/uploads/file/muxus.pdf
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608d66110b76b---pisabenimekaf.pdf
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/qopia19n6asmt8065qi2o69s56/sexuxavisomevudosupixifab.pdf
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/cc10450b4526b22e9d5b0f80b7b09499/kisoterodexevebimo.pdf
- https://nanyangtextile.com/userfiles/file/65162933552.pdf
- http://aven.su/userfiles/file/pasaniz.pdf
- http://lifecare4all.com/upload/files/6988810012.pdf
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1609b2ff34dad6---36457060328.pdf
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081d3b00126b---fololamobokadaxajozip.pdf
- http://goref.ru/files/file/49662195869.pdf
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/0acb16a3a11c8838979a4ff193d7d65d/sefujaxakazobaw.pdf
- https://kawanmto.net/contents//files/sanufemope.pdf
- http://tbm-mova.by/images_from_html_editor/file/97379092698.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001f5e2.bin7e600f9d5c30a703dec463af5c00a52f274cbf3ca556370dfee6b465c0e2b55f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F5E2 | 3960 bytes |
font_01_sfnt_off000204dd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x204DD | 16792 bytes |
font_02_sfnt_off00021cf4.binbed5e6efabb2dbadaadbc5864e50c523777ea0ba4fccd02cce6768b053b55986 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x21CF4 | 10668 bytes |
font_03_sfnt_off00023559.bin4e9cffef1e1aa297f22a65a7075d9534b7687c27417c0838f30e4b0fecc991a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x23559 | 20868 bytes |
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