MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It functions as a link farm, directing users to numerous compromised websites and potentially disposable hosting, suggesting a phishing or malware distribution scheme. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, further obscuring its true purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/c5bd8b7ec3a13f188a63772c9bbba0b2/80255109677.pdf
- https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/eucc9rk8b9do7hgrfsgr47gr38/mezibixoxofilefave.pdf
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa0b4152e9e---32177423613.pdf
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c3dd32abce---1294144871.pdf
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/1f07e59657073926873f93e234793dfa/patevizulovadupog.pdf
- http://rolmech-strzelno.pl/Upload/file/49398173843.pdf
- https://semineebrasov.ro/printuri-fi/files/zazimu.pdf
- https://mobilieroccasion.fr/uploads/file/dajowuzamerusubezipoxopid.pdf
- http://thaihotelsale.com/FileData/ckfinder/files/20210623_16D1A62092594D31.pdf
- http://aihyang.com/userfiles/file/jixaka.pdf
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/7v9cj7ga974c7tdtvltb6gsom4/19282767850.pdf
- http://anhuifan.com/upload_fck/file/2021-4-30/20210430142841541441.pdf
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607662bc9c282---93316784181.pdf
- https://universal4shipping.net/userfiles/file/91604928489.pdf
- http://marinapogon.pl/upload/file/69256661105.pdf
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160bc59b5993ef---40603176215.pdf
- https://www.apollopowersystems.com/wp-content/plugins/super-forms/uploads/php/files/20022bb3ea89dd4812d8e050437d66ba/bijozogova.pdf
- https://akproauto.com/nbloom/fckuploads/file/taselirudeseleranakab.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2226ec7a5f---vunosoluvo.pdf
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/nps6ojmrtdbo909djfctegkfk4/56079647686.pdf
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/b790720b8630c5d0aad9e47f73264f5f/kuzuvimikokolojiz.pdf
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c7885a8c706---98062560243.pdf
- http://yjccnc.com/upload/files/levutefuron.pdf
- http://planbmedia.hu/files/47152647919.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=oxford+new+pathways+class+3+solutions
- 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_off0000d34b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD34B | 16792 bytes |
font_01_sfnt_off0000eb62.bin37f606166ae5d6749eba9e56808aa5715e2b2380e2215d7853dbe98f73c8a9ec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB62 | 11316 bytes |
font_02_sfnt_off0001060e.binee7ee085184d546a6c98e7b83391dcc06bcba044ed0b38b91296b5c309b65ccd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1060E | 17032 bytes |
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