MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged by ML classifiers and ClamAV as malicious. It contains a link farm pointing to compromised WordPress upload directories, suggesting an attempt to host malicious files. The 'Password-protected archive handoff' heuristic indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass gateway security and deliver a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160753eece93a1---97352383792.pdf In PDF document text
- http://ledspectrumthai.com/ckfinder/userfiles/files/96628776736.pdfIn PDF document text
- http://planet-for-events.de/userfiles/file/29952278325.pdfIn PDF document text
- http://keletunderground.hu/images/uploaded_pics/file/fatugafulakolokafixa.pdfIn PDF document text
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/12241710960979e255a385.pdfIn PDF document text
- https://samavetah.com/ckfinder/userfiles/files/51798074888.pdfIn PDF document text
- http://moscow-vernisage.com/files/files/navazozusupifanizig.pdfIn PDF document text
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/e372f5ffef464c183739454cad382d51/64028674550.pdfIn PDF document text
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16114cfbb78d84---2486647584.pdfIn PDF document text
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607f86ba60477---14036664400.pdfIn PDF document text
- https://aldurra.ly/images-editeur/img/file/zelazuganepuxozoma.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/4js8hco2b01v228oaceo8r8b5g/86371139571.pdfIn PDF document text
- https://valserve.in/web/k/main_admin/ckfinder/userfiles/files/67365036416.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607e017e79494---45633500319.pdfIn PDF document text
- http://novussiteyonetimi.com/uploads/file/84016031875.pdfIn PDF document text
- http://valdhans.cz/userfiles/file/zokafulanejemanugovemob.pdfIn PDF document text
- https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/7557214bcfe4eb3c4c14f2d44ebb6753/20370743451.pdfIn PDF document text
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/a17b52343ca27c987a02e0fcd949f851/pabedutilefibid.pdfIn PDF document text
- http://ofitecnic.es/files.ofitecnic/fck_up/file/senan.pdfIn PDF document text
- http://101eyewear.com/luutru/files/fedasuz.pdfIn PDF document text
- http://dlmberatung.ch/userfiles/files/36903018957.pdfIn PDF document text
- http://vestmorecapital.com/images/epost/vekulinavutojefewev.pdfIn PDF document text
- https://atlanticcompact.org/userfiles/files/42926209615.pdfIn PDF document text
- http://msslink.ru/userfiles/files/49333105367.pdfIn PDF document text
- http://tentauto23.ru/ckfinder/userfiles/files/rituzadonuganad.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=converter+pdf+imagem+para+wordPDF 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_off0000da41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA41 | 20388 bytes |
SHA-256: e4e0e1bb10ba5ef980e58c458c5706104dfa10f2cc1edae3318cb95a1ff2deb2 |
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font_01_sfnt_off00010e70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E70 | 10808 bytes |
SHA-256: f5f6ff48543c10b39dbfad5d1249e7e86697d93e7cb11ffab905ed6f2c153c70 |
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font_02_sfnt_off0001273b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1273B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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