MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of links, many pointing to compromised CMS upload storage, indicating it functions as a link farm. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution. No scripts were extracted, but the structure and URL patterns are indicative of a malicious PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.8805
Heuristics 5
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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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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://arkystudio.eu/userfiles/files/28586793099.pdf In PDF document text
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607b888f3e7c7---luwonizizojizerazip.pdfIn PDF document text
- https://akproauto.net/nbloom/fckuploads/file/xiwavojabejuxilipasojupor.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/cd410e18977e8d728816c8da9348b871/degufodexuwurexogewaxip.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/a434e7e6c996abfef9beebcaa6f36aec/91065343518.pdfIn PDF document text
- http://bogelaipigeon.com/upload/file/ripaluvutukotefiminos.pdfIn PDF document text
- http://jagatjyotischool.org/jagatjyotischool/userfiles/file/farimiposuvafeda.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b44dc412eff---kuwepaporudopipeto.pdfIn PDF document text
- http://supermarketdv.ru/files/file/1901398306.pdfIn PDF document text
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160838ae7a8b7d---16288832798.pdfIn PDF document text
- http://collegedelunion.com/clients/76066/File/taximazegipotuluweb.pdfIn PDF document text
- http://busankid.com/webfiles/board/file///67473193671.pdfIn PDF document text
- http://splogservice.ru/content/file/selalevi.pdfIn PDF document text
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d23626a90f8---nimotigi.pdfIn PDF document text
- https://warsztatgdynia.pl/app/webroot/media/files/duzoxenetemu.pdfIn PDF document text
- http://stevis.cz/files/file/kuvesojagovegibubar.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/ls1u5bp9cchnk5hga7jm4jdjr1/88083096038.pdfIn PDF document text
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/f0319ac2a88fc3bd8740b66ef59fb1b6/82055885794.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160c86d040b52d---suram.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/68d493b2fd5fd3a8d3bf3a9c411b8038/navogalawalikegafij.pdfIn PDF document text
- http://jirehenl.com/userfiles/file/300554557220.pdfIn PDF document text
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/fn2j15hhkbm8andb93m75lgqn5/bodajaro.pdfIn PDF document text
- https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/q4pb4kt9ajl5a5q9nrbntctss7/xabowav.pdfIn PDF document text
- http://aqbnb.com/uploadfile/file/tisowazaselipenovefewino.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+get+harpy+wingsPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e853.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE853 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001006a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1006A | 10676 bytes |
SHA-256: f17cb61d974bbe617c270a4be2224e87e0a849b86f5c10cdfa7f39feb917c9a7 |
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