MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1055.012 Process Injection
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm pointing to multiple URLs hosted on compromised WordPress sites, suggesting a phishing or redirection scheme. The presence of external URIs and link farms indicates an attempt to direct users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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 http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16070dbfc80a4b---76581579775.pdf In PDF document text
- https://ichibaninfotech.com/ckfinder/userfiles/files/lesovedigusawif.pdfIn PDF document text
- https://webaprint.be/img/file/debazimoditadopabari.pdfIn PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1609defafeba78---96395407860.pdfIn PDF document text
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/n34bsdhr3108h94qpkgjp4q1h2/tamosutuwiteturexef.pdfIn PDF document text
- https://rendszergazda-cegeknek.hu/ckfinder/userfiles/files/3063796674.pdfIn PDF document text
- http://csc0451.com/userfiles/file/20210902113323_x6kc3a.pdfIn PDF document text
- http://artgraf24.pl/userfiles/file/49279112707.pdfIn PDF document text
- http://osoboebludo.com/ckfinder/userfiles/files/rutenazekarojugerejuj.pdfIn PDF document text
- https://ariaparvaz.com/basefile/ariaparvazcom/files/lulawutoxanetofupixusil.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160995917bcfbb---74989659487.pdfIn PDF document text
- https://tekartltd.com/upload/files/17111185664.pdfIn PDF document text
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/2beb641bfbfe6360dfd79010192b51aa/48280329865.pdfIn PDF document text
- http://cukiernia-waltar.pl/qcms/userfiles/file/guvukad.pdfIn PDF document text
- https://tlkingatlan.hu/kepek/other/file/79762318959.pdfIn PDF document text
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/ab88dc27f2796d8d37c59b67ee8f7a2a/67622386867.pdfIn PDF document text
- http://zlato-eu.sk/upload/files/nidiroxinifipixuxesiwit.pdfIn PDF document text
- http://sjar-tech.com/uploadfile/file///2021070706314847.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/3vppulvnb1lc4ksqc5kku4ab9s/xakofogefis.pdfIn PDF document text
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1612e3776a03d9---51221419183.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1612b26d37d2a6---67092677301.pdfIn PDF document text
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/b7p3u20345t9bpmp3crgdos1l2/pexamutakevapapejujebix.pdfIn PDF document text
- https://tenekedjieva.com/uploads/file/nifabatu.pdfIn PDF document text
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089f7285843e---15823897189.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=mecc+alte+avr+der1+manualPDF 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_off0000c32e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC32E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000db40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB40 | 17504 bytes |
SHA-256: 91bbde733291eee2ac66368f3e9885a0897428d685e036f4e28dee6621469fad |
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font_02_sfnt_off00010949.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10949 | 10360 bytes |
SHA-256: 1e3e4b3e0bd3a423e674eb19ea8fe827ac3df6b59aea38a2a5222cb0175d160d |
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