MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised websites or are part of a link farm designed to obscure the true destination. The primary function appears to be directing users to potentially malicious content through a series of redirects and compromised hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://pachetedeturism.ro/images/files/37566918856.pdf In PDF document text
- https://mertlakustika.cz/images/pages/file/23088924193.pdfIn PDF document text
- https://cpsguffanti.it/uploads/file/tugiso.pdfIn PDF document text
- http://geologocarmignani.com/userfiles/files/489328095.pdfIn PDF document text
- http://tcsklife.com/filespath/files/20210913210710.pdfIn PDF document text
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/cdc0a4e4b66325ae99d7e1c2c29841d5/fikozupixino.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613ce2724efcd---64679784767.pdfIn PDF document text
- http://rebeccafantarchitetto.it/userfiles/files/lonolafemu.pdfIn PDF document text
- http://silverspringabw.com/uploads/files/gesinurulum.pdfIn PDF document text
- http://thewesternmist.com/userfiles/file/fiwojezofimimep.pdfIn PDF document text
- http://fusen-es.info/yamituki-n/uploads/files/36013759832.pdfIn PDF document text
- http://rootbeadmill.com/upload_fck/file/2021-9-18/20210918063055899085.pdfIn PDF document text
- http://kingkady.com/uploadfile/files/46297025831.pdfIn PDF document text
- http://refpecsbelvaros.hu/kepek/files/30753024710.pdfIn PDF document text
- https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/sulidufen.pdfIn PDF document text
- https://certifiedcollisionrepair.com/home/cert/public_html/ckfinder/userfiles/files/94564907248.pdfIn PDF document text
- http://vrieshorst.nl/images/uploads/file/11682665862.pdfIn PDF document text
- http://matsonconstruction.net/userfiles/file/jomafufowewe.pdfIn PDF document text
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/728c3abad51f56643a851de8c8db6ac6/35913407213.pdfIn PDF document text
- http://siamsnail.com/media/userfiles/files/bidimuvo.pdfIn PDF document text
- http://ave-france.com/pics/files/tiripufagomujutu.pdfIn PDF document text
- http://abogarestudio.com/userfiles/file/kobabezizu.pdfIn PDF document text
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/d429dbac5f5885440e2135e345c56e86/faxuwitevupipepagenema.pdfIn PDF document text
- https://estoniapools.com/contents/files/dububobiwe.pdfIn PDF document text
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613fc875285b1---17733136792.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+fix+media+sound+on+androidPDF 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_off0000db76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB76 | 18412 bytes |
SHA-256: 0f2e2c0111d9fdde81f5f5d4e7fddc72d282ddac9007eba8ef15d1145ef80dfe |
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font_01_sfnt_off00010b02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B02 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012319.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12319 | 10748 bytes |
SHA-256: 0cc9870d8f20704232a623665a7aa2091f94062b30bc1b2b4b930b8ebd167ea3 |
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