MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. Heuristics and ClamAV detection confirm the malicious nature, classifying it as a phishing or trojan PDF. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc4cc1fedc---82943750326.pdf
- http://www.drivingschool-brno.cz/files/files/pibalukubodagexamote.pdf
- http://srtprogetti.eu/userfiles/files/22924297228.pdf
- http://sgo-bage.com/public/files/files/16893548704.pdf
- http://jiin-torng.com/uploadfiles/20210905095743.pdf
- http://news-hk.net/uploadfile/file///kejifisekerupu.pdf
- http://gwtcs.org/Content/uploads/files/vikusamosaratevavu.pdf
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/e6669979b7dedb73a33bb0b7e73260e1/37696075259.pdf
- https://sanipro.ma/app/webroot/uploaderfiles/61319508215.pdf
- https://sca-eagleegg5k.com/ckfinder/triplebuserfiles/file/80207174772.pdf
- http://first-group.kr/ckupload/files/38055504866.pdf
- https://herfection.herfection.tw/upload/ckfinder_temp/files/20210902195826.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/8iq7a8dvk7s9vrrft4lmpvuj1q/82612297104.pdf
- http://rootbeadmill.com/upload_fck/file/2021-9-7/20210907073154492631.pdf
- http://esrafisek.com/images_upload/files/82856274664.pdf
- http://pc-driver.ru/userfiles/files/tarideminetusofo.pdf
- http://langeline.com/ckeditor/upload/files/fuvinazipewefit.pdf
- http://eco-versute.com/app/webroot/ckfinder/userfiles/files/99138260855.pdf
- https://sealand-pptc.com/userfiles/file/45880535082.pdf
- http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16139b5faa2777---wefegilozodamoti.pdf
- https://askisan.com/upload/ckfinder/files/puzoxerizomarevaxokoguzaj.pdf
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/80677210140.pdf
- http://morakothotel.com/file_media/file_image/file/xiwakebenudufudarorin.pdf
- http://pulsarvn.com/media/ftp/file/75468206258.pdf
- https://panoramamall.bg/ckeditor/ckfinder/userfiles/files/51852076890.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=use+controller+genshin+impact+android
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d662.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD662 | 16792 bytes |
font_01_sfnt_off0000ee79.binb6d2dde40391d13063118f14b43521146210945e5a6b54901836ab2dbf16ab6b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE79 | 10968 bytes |
font_02_sfnt_off0001077f.binb4058928b39796799e758a0aeb969383fc5d46693889c8de7cbae2b0b39740e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1077F | 17608 bytes |
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