MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It functions as a link farm, containing numerous URLs that point to various websites, some of which are hosted on compromised CMS upload directories. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://allamericannursing.com/userfiles/file/migiropulikem.pdf In PDF document text
- http://spc1991.com/ckfinder/userfiles/files/34367050485.pdfIn PDF document text
- https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/thcigjuuaef85o1crnjfmbk7d0/vexabitenigisoki.pdfIn PDF document text
- http://fitviewer.biz/files/file/funulenomasejigefipasidif.pdfIn PDF document text
- https://dangeloremodeling.com/nbloom/fckuploads/file/62696053719.pdfIn PDF document text
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/16124acd1a5f40---28253362218.pdfIn PDF document text
- http://wohingltd.com/userfiles/bowizu.pdfIn PDF document text
- https://sahyadrisevasanstha.in/userfiles/file/rodapumevikifugon.pdfIn PDF document text
- http://utcsp2.rustyramone.com/uploads/files/pijivudubewiroxovu.pdfIn PDF document text
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/418a89dd1fb937684f7b0125afaa5232/74012175768.pdfIn PDF document text
- https://cristalensi.com/public/File/14923144517.pdfIn PDF document text
- https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/q1otrrcrv56ilqro4958kpleml/36091537941.pdfIn PDF document text
- https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/vnql8k8dqp6rt97n95srvn390o/44269576505.pdfIn PDF document text
- http://a2itsolutions.com/chop/multimedia/userfiles/file/nowusuximijep.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d25952b589---xemabizeno.pdfIn PDF document text
- http://lacasedescaraibes.fr/file/jowebiresanowug.pdfIn PDF document text
- https://vhssirimpanam.org/ckfinder/userfiles/files/lesova.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bfd98f168b5---vadade.pdfIn PDF document text
- http://vencedor.coop/images/admin/file/fowekegerejigufekobuw.pdfIn PDF document text
- http://www.anieliasfx.com/uploads/textareas/file/73510461814.pdfIn PDF document text
- http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/97601b6bd31ef10d2ea5270531e381c2/pubuvobab.pdfIn PDF document text
- http://suachuadienlanhhoaphat.com/hinhanh_fckeditor/file/fumonarogalogavunil.pdfIn PDF document text
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/16071ea2ab32b4---52842003498.pdfIn PDF document text
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/5c5c76b615241fd74eccce28dcc7e246/vuloxetubiwizezodujejuv.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=gamp+5+guide+compliant+gxp+computerized+systems+pdf+free+downloadPDF 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_off0000de88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE88 | 18708 bytes |
SHA-256: 353f2c564dc560915e1bb4e4f0a264a01c6fc3678ce660086e42f8178e4028f2 |
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font_01_sfnt_off00010f59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F59 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012770.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12770 | 11600 bytes |
SHA-256: 9fa926c8a0a2c195de5b50503fd100f6b9cd2ac55d209ad52e82a4311e1c2799 |
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