MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics indicate the document functions as a link farm, directing users to multiple external URLs, some hosted on compromised CMS uploads. The presence of numerous links, including those with 'utm_term' parameters, suggests an attempt to manipulate search engine results or distribute phishing content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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 https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613521a9dbfb8---dazusijogufimaxovosiz.pdf In PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130af6d0bdec---xitaxugemimimedit.pdfIn PDF document text
- https://aspirans.com/files/file/pujaxowib.pdfIn PDF document text
- https://epagneuls-bretons.fr/caningest/images/file/78894230115.pdfIn PDF document text
- http://comlark.ru/userfiles/files/34005635611.pdfIn PDF document text
- http://hig-hegmann.de/userfiles/file/zixukumudazirulufulifisi.pdfIn PDF document text
- http://ore-processing.ru/d/files/6637700616.pdfIn PDF document text
- http://biosystech.com/pdsFck/file/xapujonogalarazuket.pdfIn PDF document text
- https://imagebuzz.net/ckfinder/userfiles/files/61608492890.pdfIn PDF document text
- https://trouver-une-ssii.com/img/pics/files/fajogogomixepodumakane.pdfIn PDF document text
- https://highfieldhousehotel.net/nbloom/fckuploads/file/galupuxarumafiresepoku.pdfIn PDF document text
- https://valserve.in/web/k/main_admin/ckfinder/userfiles/files/burixewejenuwuk.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/5g0bvbffo38ulgeo5mmn1mlju0/32571298495.pdfIn PDF document text
- http://abwalabamaave.com/uploads/files/jagosiwiwaje.pdfIn PDF document text
- https://hchoanglong.vn/userfiles/file/91561550834.pdfIn PDF document text
- http://kesifveotesi.com/files/50000607659.pdfIn PDF document text
- http://bangkokmagnetwire.com/ecodev_test/image_system/files/tazazekiduniga.pdfIn PDF document text
- http://fundacjahfg.pl/upload/file/17176049103.pdfIn PDF document text
- https://riminabda.sk/userfiles/file/bodapurijogasuk.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/gmm4ltoqpj02aovvrp8ul70ml0/45901989114.pdfIn PDF document text
- http://otestmanager.com/club/data/userfiles/file/20210908131727.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=anatomy+3d+atlas+full+version+mod+apkPDF link annotation
- http://perfecturology.cafe24.com/upload/editor/imagefile/95701498723.pdfIn PDF document text
- 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_off0000c310.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC310 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000db27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB27 | 11184 bytes |
SHA-256: afa5120337f70e36ee12657d37cb999a81f6d0c7ee4dbb5aac0389a9554c51dc |
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font_02_sfnt_off0000f56c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF56C | 20936 bytes |
SHA-256: e5d4945cc2d2eea65200182fb30325315524642e047b6c5727f94b93739020b9 |
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