MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised CMS platforms or disposable domains, suggesting a link farm or phishing lure. The PDF's structure and embedded content, though heavily obfuscated, point towards an attempt to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9906
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://lohsclassof70.com/clients/3/31/31ca850ff086a58b81c8700e10a01852/File/75753377380.pdf In PDF document text
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/d4600651f76c3d42423672706b1444e7/62236697953.pdfIn PDF document text
- https://northcoteplaza.com/userfiles/file/85398699597.pdfIn PDF document text
- https://envida-nieuws.nl/bsb_website/upload_fck/file/deriwaposaxawa.pdfIn PDF document text
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/f8a53180718cc88bb7f811e19cfe050c/59595849676.pdfIn PDF document text
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094645007f96---20315558614.pdfIn PDF document text
- https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c3f6be45eda---29023842643.pdfIn PDF document text
- http://zatacorp.com/upload/files/muxozezadudaxidaw.pdfIn PDF document text
- https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608218aeeabd9---titikepefugowalifu.pdfIn PDF document text
- http://progfin.pl/userfiles/file/89263981621.pdfIn PDF document text
- http://harryreichert.de/uploaded_pics/News/file/pifusek.pdfIn PDF document text
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16084140629933---jefilepilutarovomiro.pdfIn PDF document text
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bc70b7eb17---vugefujugefurusizijedepa.pdfIn PDF document text
- https://pbchistoryonline.org/uploads/file/18707922807.pdfIn PDF document text
- https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/6bdb2bddacd3213c072b5dcd64c11265/bipoku.pdfIn PDF document text
- https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/a931a6672cab3730a25301d91c139740/53466164267.pdfIn PDF document text
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b2381521542---somoroxapefofewa.pdfIn PDF document text
- http://www.oteliapelsin.ru/ckfinder/userfiles/files/zukisasokugixopedik.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d816f478b71---ziwapakurorajewos.pdfIn PDF document text
- https://englewoodgrassfarm.com/wp-content/plugins/super-forms/uploads/php/files/b7468e40e072625add569996cfcfeb79/72662432486.pdfIn PDF document text
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d9fd59c06a9---86408359579.pdfIn PDF document text
- http://elandtour.com/FileData/ckfinder/files/20210719_2ECF149676245F78.pdfIn PDF document text
- https://asiarsolutions.com/userfiles/file/141253921.pdfIn PDF document text
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608050b602185---94421112303.pdfIn PDF document text
- http://nyitotthaz.hu/userfiles/files/nedib.pdfIn PDF document text
- http://transcash.com/ci/userfiles/files/monoxutoxexonuguzuko.pdfIn PDF document text
- https://jurad.eu/files/file/24866124581.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=topic+sentence+supporting+sentence+and+concluding+sentence+worksheetPDF 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_off00010132.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10132 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011949.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11949 | 11036 bytes |
SHA-256: 5dfb5ec6a1c99b92e52cc83660546a7e2716d5da6b365f4f44f789d7771f70c5 |
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font_02_sfnt_off000132cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132CD | 16928 bytes |
SHA-256: 99a19524edebdc4c4a2b2da5d9551ed303c94b2c84eae03b5c9b4aee70a3abd5 |
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