MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised WordPress sites and disposable hosting, suggesting a phishing or SEO poisoning campaign. The document body is heavily obfuscated and appears to be non-readable content, typical of malware-laden PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/302fa7e1bb6d74a6e3f1a9d2d8ace04b/78140311584.pdf
- http://nickelsgrafikdesign.de/ckfinder/userfiles/files/suvogewi.pdf
- http://ingegneriarossi.it/userfiles/files/59124562040.pdf
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070885e28b71---98927769660.pdf
- http://thedewakohchang.com/image/upload/File/2807369106.pdf
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611881641dcde---66858030337.pdf
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/eb8f577c330e439db3a27a9c305a201c/85662268751.pdf
- http://fsoa.cn/userfiles/file/36846624267.pdf
- http://gld-lining.com/user_img/files/76643970181.pdf
- http://atthaya.com/file_media/file_image/file/pezawewakugofikefuxanajom.pdf
- https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/pf74ko8bpi3krg0pu7dgdq8uhi/vixutamubafelixisuvafi.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fb981d2ef2---7398711064.pdf
- http://handbook.hu/upload/page/file/wusabibumoxenatebirot.pdf
- http://prosquash.by/data/zadozasujonuko.pdf
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/653c902f632759155a36f2a589976235/dipukikawiwim.pdf
- http://khacdautron.com/Images_upload/files/lixasajiwozezofevusulij.pdf
- http://czdashan.cn/uploadfile/file/2021052320111573499.pdf
- https://ntpuvoice.com/ckfinder/userfiles/files/65321717218.pdf
- http://vanhacollection.com/images/files/padivuxupowawi.pdf
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/4v9a5i4k48do8ieasal77suhd0/98569619223.pdf
- https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f366b7b5e---44801855646.pdf
- http://westernstudioservice.com/admin/userfiles/file/lusefatabul.pdf
- http://cecev.com/stockages/files/xawumoleforagisal.pdf
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160740f0d0b168---19435337682.pdf
- https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/2d95676462b35fde7f46bb5d6a45ac63/20095297648.pdf
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160861cc42de82---4208729689.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=how+long+does+it+take+to+put+together+a+weber+spirit+grill
- 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_off0000dee8.bin12bcaaeb31a2603c5857a5953b8d449ea3d819b26d91e01eda11cb106c5b92d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEE8 | 11080 bytes |
font_01_sfnt_off0000f83f.binbd12ec6074612ef51d2dfde086d8b82da8e3c8d23ab3da4ba411e455ef60f257 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF83F | 18732 bytes |
font_02_sfnt_off0001281f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1281F | 16792 bytes |
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