MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS uploads or disposable hosting, suggesting a phishing or malware distribution scheme. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and URL analysis point towards a malicious campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9877
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://beloezoloto.ru/userfiles/file/kofepovabenuvuginep.pdf In PDF document text
- http://gazomotor.com/allinone/file/furax.pdfIn PDF document text
- http://bajcsidavidfoto.com/_user/file/bibum.pdfIn PDF document text
- http://terezmisszio.eu/files/file/17344993187.pdfIn PDF document text
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dda3e705f14---76282877027.pdfIn PDF document text
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa136653c73---jojunegubakaz.pdfIn PDF document text
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/2b674381cb947274b5eeaca39dd53ff1/50846627410.pdfIn PDF document text
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a045c6a5fbd---48143951094.pdfIn PDF document text
- http://www.nomorcantikjoss.com/file/xuderavipaz.pdfIn PDF document text
- https://galedo.cz/www/data/cms_files/files/guvapikepimemugup.pdfIn PDF document text
- https://yourlightingbrand.com/wp-content/plugins/super-forms/uploads/php/files/f654d461ebfbac656fc8bc1b7376f739/35290504005.pdfIn PDF document text
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/3d09ac4f665feb881533cdf62cda2f11/bubidakigudogan.pdfIn PDF document text
- http://agroanaliz.by/upload/editor/files/kotususarisidujid.pdfIn PDF document text
- https://luathoanghuy.com/uploads/files/zinogaf.pdfIn PDF document text
- http://jyjwqj.com/uploadfile/file///2021061216361336.pdfIn PDF document text
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/967d273e2ee040c0cd615dd48de510eb/17510184703.pdfIn PDF document text
- http://americanewbie.com/userfiles/file/78212986749.pdfIn PDF document text
- http://perchegouet.com/ckfinder/userfiles/files/gakigenude.pdfIn PDF document text
- https://celebicatering.com/upload/ckfinder/files/65836018000.pdfIn PDF document text
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e5b1a42d7ec---jasotebexuzaxixiv.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160914dd39ab50---31334327492.pdfIn PDF document text
- https://rintrans.com/files/rixenitafugajogefipax.pdfIn PDF document text
- http://ajivikafinance.com/userfiles/file/vatobijunojamoroz.pdfIn PDF document text
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096fae0e2440---26973447030.pdfIn PDF document text
- http://hotelpenza58.ru/ckfinder/userfiles/files/bulakefisogumiwuwinozip.pdfIn PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160817db708182---981609504.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=novela+dez+mandamentos+cap%C3%ADtulo+62PDF 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_off0001303d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1303D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001484f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1484F | 18360 bytes |
SHA-256: d10ccf4b229fcd36df1551f0f3bf8b9d633210473a5f1ad0438f234abd4cd85a |
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font_02_sfnt_off0001752d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1752D | 11036 bytes |
SHA-256: f20bedda2a0753a681c0a76ece39c6a89e943622e00f12946cb99d9f088d868d |
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