MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised websites and disposable domains, indicating a link farm designed to redirect users. Heuristics like 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggest this malicious intent. The ClamAV detection and ML classifier further confirm its malicious nature, likely serving as a lure for phishing or to distribute further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://airconbank.com/upload/fckeditor/file/zobot.pdf In PDF document text
- http://natur-pet.cz/webpagebuilder/ckfinder/userfiles/files/18557374527.pdfIn PDF document text
- https://kurashi-kyoiku.com/cms/dat/upimg/file/71242154417.pdfIn PDF document text
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607a91d6b09e5---83563280236.pdfIn PDF document text
- http://wrtour.com/FileData/ckfinder/files/20210718_721EB011599091A4.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/kblpb7shteki9bs6ee5ftvfrrp/fuvarelufutubupukizir.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607be06880e7a---24727354296.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082e52a940a2---lepir.pdfIn PDF document text
- https://spheresignal.com/app/webroot/userfiles/files/41831208349.pdfIn PDF document text
- http://inphilong.com/upload/files/47511968603.pdfIn PDF document text
- http://dallapietamarchisio.it/userfiles/files/10413294695.pdfIn PDF document text
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607d7183e2eed---xobasofojijujija.pdfIn PDF document text
- http://gimnazjum-krasiczyn.pl/img/userfiles/file/tazopetixaf.pdfIn PDF document text
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16109fed56269d---96449513833.pdfIn PDF document text
- http://www.parkwaytransplant.com/media_upload/upload/files/gipuvixunulefo.pdfIn PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/160adb626598bc---nawawineniwuvi.pdfIn PDF document text
- https://fototipia.hu/files/files/12688839598.pdfIn PDF document text
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/7fc93ffb544fb36d0d15dbfd163615ca/wujewo.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2d22e103a4---7269960519.pdfIn PDF document text
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160854949aa6b8---11435613459.pdfIn PDF document text
- http://sun-apartments.pl/data/pages/femitenila.pdfIn PDF document text
- http://michelschuurmans.nl/images/uploads/file/8216818102.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=proyectos+de+robotica+para+ni%C3%B1os+pdfPDF 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_off0000e2a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2A3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000faba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFABA | 11028 bytes |
SHA-256: f0e07b218d32439bec2a0af0b12563c519a034a959c3e8b7f62489755eada660 |
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font_02_sfnt_off00011416.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11416 | 18008 bytes |
SHA-256: e66c2af14e1ea1323f7beacf403368468c422d2fae30d2c6fed16cd20c8a8fcb |
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