MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, specifically as a phishing or trojan delivery mechanism. It contains numerous links to external websites, many of which appear to be part of a link farm or hosted on compromised CMS uploads, suggesting an attempt to redirect users to malicious content. The presence of embedded URLs and the overall structure indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://catamma.ru/uplcv?utm_term=rolling+in+the+deep+free+piano+sheet+music+pdf PDF link annotation
- http://netisiletisim.com/guvennet/resimlerfiles/fojevuxig.pdfIn PDF document text
- http://acecaalcoy.com/userfiles/file/86628625260.pdfIn PDF document text
- https://alexandrapanayotou.com/web/images/static/file/10913612278.pdfIn PDF document text
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a6ae3c9f335---86524446377.pdfIn PDF document text
- http://koreadramatour.com/FileData/ckfinder/files/20210710_94CA3F917278AD20.pdfIn PDF document text
- https://almudenafernandez.co/ckfinder/userfiles/Files/74128285394.pdfIn PDF document text
- https://digireg.org/upload/95000466710.pdfIn PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607402f6907a3---muzifixal.pdfIn PDF document text
- http://yuhongzg.com/d/files/64721337873.pdfIn PDF document text
- http://littlepearlbooks.in/data/eimages/file/galusuxosamasowukamujona.pdfIn PDF document text
- http://antropolog.ru/userfiles/file/zolofefovisodonama.pdfIn PDF document text
- https://fiberglasssupplydepot.com/userfiles/file/letavazujag.pdfIn PDF document text
- http://iglozawiercie.pl/zdjecia/file/63856004777.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/777bb39aca1d5d67894cfcd0bf83752a/8755370833.pdfIn PDF document text
- http://drthchowdary.net/userfiles/file/vejelikanokizeseniwakuso.pdfIn PDF document text
- http://bachova-terapia.sk/images/file/4010149384.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16113e38e40bd7---1086912126.pdfIn PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf91a7a468---70434761080.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/stitt80a0u6061iqo3p7fs2f1k/lejoxeriwiraput.pdfIn PDF document text
- http://lctrading-gmbh.com/ckfinder/userfiles/files/lurabatojivofilavikew.pdfIn PDF document text
- https://himalayanthailand.com/image/upload/File/75769520555.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160854aeb6860f---fugimodijozil.pdfIn PDF document text
- https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/4ds7950sp5ulp6sl8mkm6009l5/gupesegewig.pdfIn PDF document text
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097298028e1a---37684914395.pdfIn PDF document text
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/bf158f0c0f536b2353039d573acf09c7/43132820089.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_off0000e351.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE351 | 11212 bytes |
SHA-256: 484030c420562cf7552fedd2524b022903f96f0bcf8fd7135176e4645f02057a |
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font_01_sfnt_off0000fd25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD25 | 17892 bytes |
SHA-256: 0246170123f7e96c859a80c5ea3fc11569fb8c39e364bb15bb35909e4491d40a |
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font_02_sfnt_off00012b67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B67 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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