MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised CMS uploads or appear to be part of a link farm, suggesting a phishing or malware distribution scheme. The PDF structure itself is also flagged for duplicate object bodies, which can be used to obfuscate malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://dongsachhanoi.com/webroot/img/files/92802994121.pdf In PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160830a432e59d---88377197935.pdfIn PDF document text
- https://medosojewellery.com/userfiles/files/45091589394.pdfIn PDF document text
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/ed39f66baf29b3b2e5c91161b01f84d3/razosipukukize.pdfIn PDF document text
- http://em-mould.com/ckfinder/userfiles/files/49096119909.pdfIn PDF document text
- http://lahma.pl/_u/userfiles/file/bonejebevifijax.pdfIn PDF document text
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8411c724a8---38215117645.pdfIn PDF document text
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160762ead48c9d---polonukolul.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606dbe795e1e5---jobulezuxulojilikomotinu.pdfIn PDF document text
- http://fouladsazanco.com/Upload/file/zowozekewuxu.pdfIn PDF document text
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5c43eb0bdb---diwolap.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b830424007e---nadifekowobogojafadozew.pdfIn PDF document text
- http://krevue.cz/UserFiles/File/55371918216.pdfIn PDF document text
- https://thetitangroup.ca/wp-content/plugins/super-forms/uploads/php/files/cfd4c388f6a5ccebcb4b787cc25cdd8e/23781469354.pdfIn PDF document text
- https://yodobashi-church.com/wokaputewaverek.pdfIn PDF document text
- http://donghocasiochinhhang.net/uploads/userfiles/file/bojexirobajuzanagisot.pdfIn PDF document text
- https://absoluteanytime.com/media_file/files/files/97678515840.pdfIn PDF document text
- http://emailreceptionist.net/userfiles/file/53462154508.pdfIn PDF document text
- http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4d12ae665---76921107945.pdfIn PDF document text
- http://pushgroup.lv/userfiles/files/32223225039.pdfIn PDF document text
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/de4a730f5f2d028716629d22d413ba6f/zejakelarak.pdfIn PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160bcee1b07598---kaxenogowefud.pdfIn PDF document text
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bbfbc950d31---zonefoju.pdfIn PDF document text
- https://vannordenvastgoed.nl/userfiles/file/lubexafubukuriwixuxakobi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=formato+de+anamnesis+psicologica+para+ni%C3%B1os+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://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_off00010875.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10875 | 19840 bytes |
SHA-256: 0aea199d0e24564d9b657de27fab4b44980969bef3a9e31753f166a7d0b2a9ea |
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font_01_sfnt_off0001392a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1392A | 11144 bytes |
SHA-256: dc1ac7a7359b3cd03ae84e0108676d9fb74f891485000119d600d1932fe289c6 |
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font_02_sfnt_off000152ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x152BA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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