MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to potentially compromised websites or disposable domains, suggesting a phishing or malware distribution scheme. The presence of multiple links on compromised CMS uploads and disposable hosting reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://guyfamilyreunion.com/clients/41950/File/49141355302.pdf In PDF document text
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096f2727a27c---teges.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/2a9c5e2fc030ec70ee1176246516362e/fetefem.pdfIn PDF document text
- http://ekotronic.eu/files/file/24985013383.pdfIn PDF document text
- http://parfumland.sk/upl/rubulamimusewiro.pdfIn PDF document text
- https://www.tri-or.fr/tri-or/ckfinder/userfilesfiles/mirabunokolusosebujada.pdfIn PDF document text
- https://www.electriclighting.com/wp-content/plugins/super-forms/uploads/php/files/d6a32ecaa898a02d6602d543a5e672cb/81621164783.pdfIn PDF document text
- http://alliance-ltd.com/userfiles/50561263595.pdfIn PDF document text
- https://ijmscr.com/ckfinder/userfiles/files/pobawaxinibulibojonoji.pdfIn PDF document text
- http://rqconsultores.com/userfiles/file/dawudezemazumobononos.pdfIn PDF document text
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a7cca8a6984---2333173817.pdfIn PDF document text
- https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/be81da25c73dc7e469ade653e2247688/bajujogotukatavevozumil.pdfIn PDF document text
- http://ibshop.gr/uploads/_uploads/files/fukerujumukok.pdfIn PDF document text
- http://poorclarescork.ie/images/dowemuzoxuzubut.pdfIn PDF document text
- http://taxicityplus.ru/userfiles/file/62200826090.pdfIn PDF document text
- https://wecareu.net/ckfinder/userfiles/files/77158272417.pdfIn PDF document text
- https://www.meditech.cz/ckfinder/userfiles/files/mutaneresujelatixodugefa.pdfIn PDF document text
- https://okvino.it/file/46144600937.pdfIn PDF document text
- http://adamlegal.com/userfiles/file/76727352501.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160731493038ef---barenolivunupi.pdfIn PDF document text
- https://andymullinscommercial.com/home/andy/public_html/ckfinder/userfiles/files/vedavabodasige.pdfIn PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f29d824589---70641430547.pdfIn PDF document text
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/bf5a11b57356f2c06fa0ec2689e2655e/70939334100.pdfIn PDF document text
- http://sdds.be/userfiles/file/63445898342.pdfIn PDF document text
- http://canadanur.com/resimler/files/5741632440.pdfIn PDF document text
- https://cargobull.cz/res/file/96076293940.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=functions+statistics+and+trigonometry+textbook+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_off0000cb72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB72 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e384.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE384 | 18528 bytes |
SHA-256: e1d1be5dd6335a0c6a0884511846f0c7cfd36d82c7574cf1f357156f88dab9ad |
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font_02_sfnt_off00011326.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11326 | 11444 bytes |
SHA-256: fe4946ea0360df7ee6e679376416d34ae79f7772cb0e66eed46f399deb0e80d2 |
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