MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple external URLs, some hosted on compromised WordPress sites. The presence of 'utm_term=restore+app+settings+android' in one URL suggests a lure related to app settings, potentially for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://allytemp.ru/uplcv?utm_term=restore+app+settings+android PDF link annotation
- http://ipoz.pl/userfiles/file/24169127894.pdfIn PDF document text
- http://computerdoki.hu/user/file/10090871233.pdfIn PDF document text
- https://fulzugaskozpont.hu/files/42800940505.pdfIn PDF document text
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fecbdaabaf---55033070757.pdfIn PDF document text
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/tdri0o0jlm62cqjfassptj7rs3/80274785819.pdfIn PDF document text
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140f67bef755---97427112688.pdfIn PDF document text
- https://pindimana.in/uploads/file/vopozavoxavo.pdfIn PDF document text
- http://airconbank.com/upload/fckeditor/file/wasarelen.pdfIn PDF document text
- https://icbacademy.com/upload/files/weteduwefiw.pdfIn PDF document text
- https://fonixkoncert.hu/upload/file/nosubofafopisu.pdfIn PDF document text
- http://sinojjacob.com/userfiles/file/43826408001.pdfIn PDF document text
- http://dongamold.com/fckeditor/upload_files/file/74314194056.pdfIn PDF document text
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/adc8e2cab28b95c867c6f94ae3916d89/61960462198.pdfIn PDF document text
- http://tomasmrazek.cz/userfiles/file/14500164075.pdfIn PDF document text
- http://www.saaegfpolis.org.br/ckfinder/userfiles/files/kadubenodi.pdfIn PDF document text
- http://mhinflatable.com/upload/file/lubulavogujavunolekerusum.pdfIn PDF document text
- http://gaineyranchaz.com/userimages/97705930971.pdfIn PDF document text
- http://studioboscono.it/userfiles/files/24025191962.pdfIn PDF document text
- https://unchiulmihai.ro/files/fckeditor/file/subekisufofev.pdfIn PDF document text
- https://canionglobal.com/FCKeditor/file/83583233500.pdfIn PDF document text
- https://sogelec-eng.com/files/ckfinder/files/riwaxonuwibonu.pdfIn PDF document text
- https://www.xtremefitness.com.au/application/third_party/ckfinder/userfiles/files/386209948.pdfIn PDF document text
- http://exima.kr/userData/board/file/90805668794.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_off0000dfcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFCB | 17308 bytes |
SHA-256: 6acc55dc2817e3d133162526389ff3eee2a3e6ad898dc26cf7954d94ee0bb783 |
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font_01_sfnt_off00010cb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CB4 | 10568 bytes |
SHA-256: 2bc2a57b2dd2a1d4c2b5abe268e8d13acd1a00527f04733860b2d69c65f4561e |
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font_02_sfnt_off000124b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124B8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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