MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which are hosted on disposable domains or compromised CMS uploads, indicating a link farm designed to redirect users to malicious content. The presence of a ClamAV detection for 'Pdf.Phishing.Trojan' and ML classification further supports its malicious nature. The document body is heavily obfuscated, but the heuristics and URLs strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://synerhu.ru/uplcv?utm_term=mise+a+jour+logiciel+galaxy+s2+gt+i9100 PDF link annotation
- https://jobtiara.com/files/files/pilos.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/161371a0e0395d---falugodetesujoveseninon.pdfIn PDF document text
- http://zhizhencn.com/filespath/files/20210911121210.pdfIn PDF document text
- https://gagiongvitgiong.com/ckfinder/userfiles/files/puvawulexes.pdfIn PDF document text
- http://dansecyr.ca/pdf/file/pozijisapegetoxetiwuvi.pdfIn PDF document text
- http://vekosgroup.ru/userfiles/file/45535967560.pdfIn PDF document text
- http://vektor-bezpeki.com/userfiles/files/bapefebokupu.pdfIn PDF document text
- http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/c5390e2f050d25e68e16420b03ec2378/kagiz.pdfIn PDF document text
- http://vendsol.com/userfiles/file/wodax.pdfIn PDF document text
- http://orlickachata.cz/files/files/sibuxatejoxivisipuwapawik.pdfIn PDF document text
- http://medicareclinichowrah.net/faboriginelist-braj/userfiles/file/44437985047.pdfIn PDF document text
- http://fabiocaronearchitetto.com/userfiles/files/41469823975.pdfIn PDF document text
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/daf9aff5318fb8e5a9af66a5462ff58e/dizezoropafekumamuz.pdfIn PDF document text
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/b4nsd4qkqess8tdokcbsgoqq54/banudin.pdfIn PDF document text
- http://turningpointdigital.com/cote_dor_import/admin/ckfinder/userfiles/files/1394025495.pdfIn PDF document text
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135f29ea61b3---vifefalisofo.pdfIn PDF document text
- http://status.cz/UserFiles/File/vozafan.pdfIn PDF document text
- http://lgassociates.in/uploads/41287543757.pdfIn PDF document text
- https://thepainter.asia/upload/files/xumeliserezel.pdfIn PDF document text
- https://ka-base.no/images_content/file/67538830525.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_off0000bbc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBC6 | 18568 bytes |
SHA-256: 80cd08049fb946f561a3be700a4d8db66718b0cf54db730c2c4b92823d7d556f |
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font_01_sfnt_off0000ebd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBD3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000103ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103EA | 11200 bytes |
SHA-256: 2e6d6bcfa36609346ed7fe806b4bc22fe576b04568d8ca69ea474f50ec049c78 |
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