MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to compromised CMS uploads or disposable hosting. These links likely lead to phishing pages or further malware downloads, aligning with a spearphishing attachment attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://memphiscentral1969.com/clients/865565/File/89644255651.pdf In PDF document text
- https://korovin.org/site/img_ufiles/puvimonedigepevovufumitu.pdfIn PDF document text
- https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/99ee4758f70fc8751cd94d60fd547eb0/sigifadaparogunidametaw.pdfIn PDF document text
- http://sbnjl.com/userfiles/files/16374553311.pdfIn PDF document text
- https://romalasergroup.com/userfiles/files/25102780516.pdfIn PDF document text
- http://perlawarmii.pl/userfiles/file/55975440017.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/haja3oqvj3d2plkd18p5cmi3d5/69105617571.pdfIn PDF document text
- http://lokalsport.no/userfiles/file/52555321232.pdfIn PDF document text
- http://www.tomasjelinek.com/img/pub/file/supuxeripuzupurivoligon.pdfIn PDF document text
- http://edumedcare.pl/upload/files/vapuxojod.pdfIn PDF document text
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/9nectnunf87cd6rmokl3jg57t2/98671697912.pdfIn PDF document text
- http://m4klynchburg.org/clients/3/34/34420611de4c9c7593cf5e5fe12de6df/File/68355259605.pdfIn PDF document text
- https://almoheetmanpower.com/public_html/userfiles/file/25859980086.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/nipaveto.pdfIn PDF document text
- http://xpressup.com/userfiles/file/fogorunewuxizawinonisuz.pdfIn PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160771b43571ad---40806909593.pdfIn PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/16125cb8a15db6---zokowakomopilekuvexixu.pdfIn PDF document text
- https://alate.org/admin/fckeditor/editorfile/zivipi.pdfIn PDF document text
- https://expomediainc.com/upload/file/kelixugobesolive.pdfIn PDF document text
- http://drstevealbrecht.com/wp-content/plugins/super-forms/uploads/php/files/2ea75ffc74133474a17fb8f2d4953266/vumelasotufedexi.pdfIn PDF document text
- http://fine-cottage.ru/userfiles/files/35464463346.pdfIn PDF document text
- https://waroproject.com/file/vapebiwiliwonodune.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16085f3847f315---tefinatanogoberekoderozu.pdfIn PDF document text
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609884cb5c3c7---dafobinekalavu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=she+dwelt+among+the+untrodden+ways+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_off0000ec56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC56 | 11228 bytes |
SHA-256: feeaa8fbf254b8e8197b96f2d0a8a135499ffdede30368d4324c4b50db5a032e |
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font_01_sfnt_off0001065f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1065F | 18016 bytes |
SHA-256: 67d94bff326c44d1d3089b618523ff7dc1f74ce4e4bf0462defe87e65ec50e27 |
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font_02_sfnt_off0001357b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1357B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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