MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous embedded URLs, many pointing to compromised WordPress upload directories and disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The document body is heavily obfuscated and unreadable, providing no direct content clues, but the heuristic firings strongly indicate a phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
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://dotbamboo.com/file_media/file_image/file/50689966156.pdf In PDF document text
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/b71lm7t671fb1k4h64i6h505l4/13008492976.pdfIn PDF document text
- https://mamo-tato.ro/userfiles/file/domabiki.pdfIn PDF document text
- https://seikai.jp/free_images/files/11564509153.pdfIn PDF document text
- https://swagath.co/new/ckfinder/userfiles/files/pinetefejamowina.pdfIn PDF document text
- http://makinsushi.com/uploads/files/9445020106.pdfIn PDF document text
- http://dastone.ru/userfiles/file/17183791198.pdfIn PDF document text
- http://erainbowrealty.com/userfiles/file/30954598272.pdfIn PDF document text
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/9dafd29f9f9d4c84593617a318fd5dae/50768223274.pdfIn PDF document text
- http://ankamet.com/userfiles/file/6344325104.pdfIn PDF document text
- http://cartonwrappingmachine.com/userfiles/file/49697038709.pdfIn PDF document text
- https://sunsetlearningcenter.com/userfiles/file/13751062057.pdfIn PDF document text
- http://packturf.fr/files/niwopex.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16132914044549---fumibisonimekatajuwaruw.pdfIn PDF document text
- http://lafenicealcamo.it/userfiles/files/fimotizegobadod.pdfIn PDF document text
- http://jcnjl.com/userfiles/files/tuwixukufoxazopobijivex.pdfIn PDF document text
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/0e7aa07a08090beb63c231d8ec6e249e/55625433145.pdfIn PDF document text
- https://powerliteaac.com/userfiles/file/9673765337.pdfIn PDF document text
- https://faguaflowers.com/images/admin/file/28422799932.pdfIn PDF document text
- https://ezgoe.com/10005001208290177/ckfinder/userfiles/files/54052236365.pdfIn PDF document text
- http://chargooshads.com/images/upload/files/8050522455.pdfIn PDF document text
- http://munnarinfo.in/userfiles/file/73200643980.pdfIn PDF document text
- https://riwg.in/userfiles/file/satasi.pdfIn PDF document text
- https://beautifulhairstore.com/upload/files/detexuvujefikegok.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=cube+world+rice+milk+chocolate+barPDF 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_off0000af6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF6A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c781.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC781 | 10812 bytes |
SHA-256: d263bc8d709a394ef76baee5408c336fd39471b5a09efaf78bb9dbde3060fdcc |
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font_02_sfnt_off0000e07f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE07F | 16032 bytes |
SHA-256: 7fad537ba3ab0a1c2b8c8c85c942f9d24efdd23df1ec6e32f094fd27a0dd6545 |
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