MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to compromised WordPress sites, suggesting a link farm designed to redirect users. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
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://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/50c4e0fada9a5ebab80c25e0928e7181/tunekowesofunexuw.pdf In PDF document text
- https://xo-sound.ru/userfiles/file/nawepufilidaxupefozabe.pdfIn PDF document text
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f77aab6d8f---nogofef.pdfIn PDF document text
- http://anthonyvienna.com/sites/default/files/file/47750198916.pdfIn PDF document text
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/dda7e0d3aa30fcbbd9b7e7c647472103/weloteraputosugozevep.pdfIn PDF document text
- https://pacpartner.net/images_client//imagesfile/zawalul.pdfIn PDF document text
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/cimioqq9ok8v22189vor4jt9i7/31650818114.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/160944f070f225---wigijumaw.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/fubabogonoga.pdfIn PDF document text
- http://rgn2u.com/userfiles/files/zaxoweparerawidireduwoxa.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608e5ff4f3bf9---22731399117.pdfIn PDF document text
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/dnh2q02n7q7ninte6odadc7if6/kovenisewoxexufufowesu.pdfIn PDF document text
- https://casabresciani.it/uploads/file/wurosukimuwurolovak.pdfIn PDF document text
- https://aimhc.com/userfiles/file/85428421550.pdfIn PDF document text
- http://ty-universe.com/image/files/20210628_014435.pdfIn PDF document text
- http://shannonlakeestates.org/fck_images/file/fizoz.pdfIn PDF document text
- http://gd-weimi.com/upfolder/e/files/20210618021734.pdfIn PDF document text
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160e34189ce7d9---domuxudusesexuwesodofexel.pdfIn PDF document text
- http://peusch.lu/userfiles/files/58693965824.pdfIn PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/010vu89cehe89oseui2ki1atmd/suveru.pdfIn PDF document text
- http://shriadinathbank.com/uploads/52969936908.pdfIn PDF document text
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/4811c9d369d891b9c8b9ce762e5c6f7e/napivef.pdfIn PDF document text
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/qjlg970eucgv7gtn013ancu522/95589769152.pdfIn PDF document text
- http://tablica-nieruchomosci.pl/uploades/fckeditorfile/5719225902.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=chemical+burn+in+nosePDF 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_off00010d14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D14 | 10668 bytes |
SHA-256: 85f788fa8b9b132dd78b0a9a5906bad5af72bf282100772a2ed8774c2948f1ce |
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font_01_sfnt_off0001254f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1254F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013d61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D61 | 17164 bytes |
SHA-256: acae6d8dfa5f460eaa7ef3155c7229a105bcaa06460e88787f1d497873887517 |
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