MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains a link farm pointing to various PDF files hosted on compromised WordPress sites, suggesting a phishing or malware distribution attempt. The presence of multiple external URIs and a link farm structure indicates an effort to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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.allatpatikapecs.hu/images/file/dufesez.pdf In PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160730aeb64fd4---99623704790.pdfIn PDF document text
- https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/l7p8gsiuntohj541fedr8dpimi/86946663946.pdfIn PDF document text
- https://kibledergisi.net/resimler/files/pisaxo.pdfIn PDF document text
- http://originalcheck.it/public/img_admin/file///rojokavotugoje.pdfIn PDF document text
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9e928565e0---83046664799.pdfIn PDF document text
- https://aadhaarretail.com/administrator/imagetemp/file/25608622148.pdfIn PDF document text
- http://dailyxedayhang.com/userfiles/files/24853825393.pdfIn PDF document text
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b868f1b6d33---25425068016.pdfIn PDF document text
- http://fszhenjia.com/upfolder/e/files/20210803014610.pdfIn PDF document text
- http://baloneacessorios.com/_upload/file///mofusigexabizijagimep.pdfIn PDF document text
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/4ea4d5618dbf52e430adf558a8a84ce4/79039330980.pdfIn PDF document text
- http://easytravel63.ru/ckfinder/userfiles/files/judemofuzobumubera.pdfIn PDF document text
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16096638245eec---barurisanadexubiro.pdfIn PDF document text
- http://zdrowejaja.com/Upload/file/25750120096.pdfIn PDF document text
- http://bigband-ulm.de/userfiles/files/nejuseba.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/9a7bc4716a779b0b9f651dd00d7b6609/dabidaraf.pdfIn PDF document text
- http://krzysztofmalec.pl/gfx/fck/file/gerapurimenumajipizoj.pdfIn PDF document text
- https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/faac55f2efa2ba0b9bafebc37f016004/20165242878.pdfIn PDF document text
- http://biblioteka-koneck.pl/ckfinder/userfiles/files/55827555173.pdfIn PDF document text
- http://ghhs1968.com/clients/5/57/5762190d0a265df614d1f295a7060a42/File/58675134141.pdfIn PDF document text
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b120ec3dfc8---powalamuzogififumo.pdfIn PDF document text
- https://xn----8sbcehyodmtf1czh.xn--p1ai/userfiles/file/kelunopiwajo.pdfIn PDF document text
- https://247christianity.org/fckeditor/userfiles/file/278664824451625462043.pdfIn PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e90ff21604---17916900368.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=converter+pdf+to+excel+applicationPDF 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_off0000d9e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9E1 | 17064 bytes |
SHA-256: 2bc6edb729b96cdba283668ee18f6510d5ca85c3185346611b7f72e3f70aa515 |
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font_01_sfnt_off000105fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105FD | 10644 bytes |
SHA-256: 6ca4499b12196c52c6c712b7096cf410ef19b2f923cba69bc38ad563c7b3335a |
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font_02_sfnt_off00011e85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E85 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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