MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of external URIs, many of which point to compromised or disposable hosting domains, indicating a link farm designed to lead users to malicious content. The ClamAV detection and ML classifier strongly suggest a phishing or trojan payload. The presence of numerous links, including those on compromised CMS uploads, supports the attack pattern of directing users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9967
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 http://www.anieliasfx.com/uploads/textareas/file/9163187959.pdf In PDF document text
- https://shellserva.nl/docs/Image/file/majuxudowodotuv.pdfIn PDF document text
- http://superlitefan.com/uploads/files/23365579259.pdfIn PDF document text
- http://busankid.com/webfiles/board/file///24206352672.pdfIn PDF document text
- http://tecs4.com/intranet/ckfinder/userfiles/files/pavumutorelafeditum.pdfIn PDF document text
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/1606e4a9821526---77762544328.pdfIn PDF document text
- https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/b9a40e2c2ba3070e925edcc5482f9dab/32082463600.pdfIn PDF document text
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd0cb936c1---fuxigigetefijozok.pdfIn PDF document text
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/h9n6258kvgupv7puvbi8eh7ui3/91899738804.pdfIn PDF document text
- https://przyklejki.pl/userfiles/mamolozakodu.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160788579ad433---rakudesivu.pdfIn PDF document text
- http://matsonconstruction.net/userfiles/file/duzinema.pdfIn PDF document text
- http://sujitonweb.com/userfiles/files/39452586425.pdfIn PDF document text
- https://gangwontaxi.com/FileData/ckfinder/files/20210731_7EB74DAA00992290.pdfIn PDF document text
- https://maturana.cl/upload/file/44308218891.pdfIn PDF document text
- http://abwbaltimore.com/uploads/files/86522493698.pdfIn PDF document text
- https://www.profiemg.cz/upload/ck/files/25082052162.pdfIn PDF document text
- https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/r853rm1naqsim9mpbm44abgdt2/tiselufe.pdfIn PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e16699d97e6---pugubilajuzuragezu.pdfIn PDF document text
- http://hglobaltour.com/FileData/ckfinder/files/20210830_32BC6E81FF1ACCBE.pdfIn PDF document text
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/bb4e7791613a50dd4d45211eaca182f7/24855002095.pdfIn PDF document text
- http://kristenpell.com/userfiles/files/logikokurafezurub.pdfIn PDF document text
- https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/4670ada69111cd2c51926c416d5b0500/xafokavenevafu.pdfIn PDF document text
- http://vejwun.cz/images/51653174411.pdfIn PDF document text
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607721f874912---38369819090.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=what+is+forex+trading+for+beginners+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_off00017c01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17C01 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00019413.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19413 | 20748 bytes |
SHA-256: d7ed4d18d6f027ba4757d888b1b926cca2be7fe98d2ac7f97b4aa520b898d8c0 |
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font_02_sfnt_off0001cad9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CAD9 | 10968 bytes |
SHA-256: f913335ef2b47e0f1c8a29fa74255101ad7a0c84e2027169f3db4e7ad1c66d87 |
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