MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting it functions as a link farm. The presence of these links, combined with the PDF structure, points towards a phishing or malware distribution campaign, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://yourhealthyanswer.com/ckfinder/userfiles/files/97693146349.pdf In PDF document text
- https://dichvuketoanvn.org/uploads/files/30407567000.pdfIn PDF document text
- https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/c12b58022fc36b033ec4e09eaa60a355/wonusejitixu.pdfIn PDF document text
- http://mirandatutoringcentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160818f096e08f---javezojukanufapokopinakub.pdfIn PDF document text
- http://archiw.bibliotekalesmierz.eu/img/upload/files/rasarusimenivotodorono.pdfIn PDF document text
- https://best-label.com/upload/files/23558316052.pdfIn PDF document text
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/9a2d2d74264ddb46a1a226c5e597f5a0/80885326578.pdfIn PDF document text
- http://seksdagen.nl/userfiles/file/73151454341.pdfIn PDF document text
- http://biurod9.pl/public/userfiles/file/wonoxijisumugemuso.pdfIn PDF document text
- https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/gbei2qmfd13h18dth72cv2p7aq/56307929998.pdfIn PDF document text
- https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/1c49d75034b07a57f1c834a45804d384/nutazamafomowi.pdfIn PDF document text
- http://sunrui-ti.com/d/files/lurarumuz.pdfIn PDF document text
- http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/542a0d1cc1da296c952be1b2558061fc/30932183055.pdfIn PDF document text
- http://hogan1973.com/clients/d/d4/d4eda5e2427b34f3a15374adde9a77da/File/devade.pdfIn PDF document text
- http://cheapneasytrafficschool.com/CheapNEasyTrafficSchool/pa/trainstation/uploads/image/file/82183712971.pdfIn PDF document text
- http://nedirajtebosnu.net/userfiles/file/30044428905.pdfIn PDF document text
- http://deborahkay.com/ckfinder/userfiles/files/24917840551.pdfIn PDF document text
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/6jokgiqhkuda62omrsdsde6mh7/21545918529.pdfIn PDF document text
- http://nwatchonline.org/userfiles/file/18915183635.pdfIn PDF document text
- https://qfse.co/images/uploaded_files/ckfinder/files/1626517591_2db6480ca2.pdfIn PDF document text
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/ujjtrmcobunoko0f7lad0cc3ih/21053533714.pdfIn PDF document text
- https://marigabung.com/contents//files/bubufewedilujenezemanome.pdfIn PDF document text
- https://daiichigroup.net/uploads/news_file/65770859847.pdfIn PDF document text
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b12e297ada---zuvugatujo.pdfIn PDF document text
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/d63d863405a8c8b770f7857202bcbc05/zifefuwik.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=is+it+love+or+is+it+addiction+slaa+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_off0000d796.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD796 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000efad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFAD | 10628 bytes |
SHA-256: 527c12153ee02c6add3e560f9ceaeb6772e6930d84469367ef325a1e975eba1b |
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font_02_sfnt_off0001081e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1081E | 17620 bytes |
SHA-256: 159892491b007196ab363e8a6e5a174638782023ef554bd2f8ec78a975ab6140 |
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