MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ClamAV as 'Pdf.Phishing.Trojan' and a machine learning classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised CMS uploads, suggesting an attempt to distribute malicious content or phishing lures. While no scripts were directly extracted, the PDF structure and embedded URLs indicate a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609bdc108939e---1955840220.pdf In PDF document text
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607df1bc04a94---85498335461.pdfIn PDF document text
- http://ketoanaca.com/uploads/image/files/popuzejenedunobojigaletu.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/3da8f451bd1062c26dc82c7acba5ab7f/6618610425.pdfIn PDF document text
- http://dianacb.cz/userfiles/file/86827209418.pdfIn PDF document text
- https://koratspring.com/upload/file/topesaguxupew.pdfIn PDF document text
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160869a7d65d65---31770567475.pdfIn PDF document text
- https://svetplus.com/userfiles/files/19240650638.pdfIn PDF document text
- https://ahha.az/userfiles/file/86577517963.pdfIn PDF document text
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/6db2446fd7d98f705f781ceedbf64a86/subapisududewozefar.pdfIn PDF document text
- https://ewastexperts.com/userfiles/files/sagugojitojow.pdfIn PDF document text
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/a58fa18c15e41d77c8b997fa8f82a1f4/49937811608.pdfIn PDF document text
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/2btfgct8nk1itjbr87un4v8vu2/kijevojaxi.pdfIn PDF document text
- http://asokmontridental.com/userfiles/file/xogurasujibufewanij.pdfIn PDF document text
- https://mahae.hu/files/files/42900495016.pdfIn PDF document text
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dafc2880a1f---nitinijojet.pdfIn PDF document text
- https://cncostruzioni.com/userfiles/file/gobidaf.pdfIn PDF document text
- http://china-zzld.com/uploadfile/file///2021052718074667.pdfIn PDF document text
- http://sntaviator.ru/ckfinder/userfiles/files/wagejasuwonopevi.pdfIn PDF document text
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16085e93b2c1dd---32994390755.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/2sljcjuaiak09tukktk2naspit/gajumilosuweganufo.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073b68f887b6---sabuwozapesejovamiwufix.pdfIn PDF document text
- https://singaporenotarypublic.com/wp-content/plugins/super-forms/uploads/php/files/fb3fc780e0300c4b34248bcd2dbc1a72/gibokikonuzogunivagetuz.pdfIn PDF document text
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160718e132c397---taferalimi.pdfIn PDF document text
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/ngdu1b0kjqpg7moenn6jnuinm0/gafijof.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+get+permanent+marker+out+of+dryerPDF 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_off0000ef37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF37 | 10920 bytes |
SHA-256: 014dd081de763e3039502af6f3a3ac5ce779946751e688837c45f48b2536de35 |
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font_01_sfnt_off00010859.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10859 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001206b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1206B | 17684 bytes |
SHA-256: 044a8b88c2b52a6e1ccf537ab1cef2f61c69b5e52a213b6197e035324361dbc8 |
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