MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of numerous links to potentially compromised or disposable domains, coupled with a visual download button heuristic, suggests a phishing or malware distribution lure. While no scripts were explicitly extracted, the PDF structure and external links point towards a potential exploit or a download mechanism for a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9800
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://sip7.online/wp-content/plugins/super-forms/uploads/php/files/4e006bcda9a84227dd047236473479ef/75188556816.pdf
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff4bf69366---kejar.pdf
- http://amandamaitland.com/images/file/74800247547.pdf
- http://thaihotelsale.com/FileData/ckfinder/files/20210628_C9CC2F80E95B3988.pdf
- https://sandzak.best/wp-content/plugins/super-forms/uploads/php/files/3bf5b17b36c3237fd728983e7f886be8/vovozufixeduxozanilokabab.pdf
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/58u5n5qvvnomfc5ae1r1m1jct4/41774867415.pdf
- https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/fd8b409ebe001be6edaa1ff3723c5132/sodakarezokomela.pdf
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/16072f1ac27cd6---mozuxoniripelizetuzaweni.pdf
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e461341cb8---junuxefupobuwenipepipi.pdf
- https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/0g18co05dnov6bprn3nkvicpap/13381608779.pdf
- http://bukvoznaika.ru/ckfinder/userfiles/files/bajamodofekokudomuwekuna.pdf
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/a26cffae64c0656a185cedabe9bbe992/71901036144.pdf
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c9bd7b17ac---12997707072.pdf
- http://dunajecbiala.pl/upload/File/38856590520.pdf
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d83f3920fd4---86325732058.pdf
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bab8126e708---96150004719.pdf
- http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/678ff218f9e8ef0f0e15328152ecd1c5/31509557592.pdf
- https://nutricionintravenosa.com/wp-content/plugins/super-forms/uploads/php/files/2cd350210188943c6ad831425a7df441/nenadamogunufogo.pdf
- https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/07e02e30ebab6c91ce5e3836deab0e7d/womewuzakunorobu.pdf
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/dd37cfd905ba454820a99293e09cc3a7/42355180496.pdf
- https://aashianarealty.com/file/54418135062.pdf
- http://bukharaalpharetta.com/sites/default/files/file/41502116480.pdf
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160757a4d46f6c---wigovorisekutusalenema.pdf
- http://ecohort.com/userfiles/files/tulebomajejixexewu.pdf
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/57ed8401a1fd73d6771080b543f54ec8/56480410901.pdf
- https://cubic.is/userfiles/file/lobafixixo.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=foundations+of+software+testing+istqb+certification+4th+edition+pdf
- 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_off000120e2.bin626d558a766ed74b561816744c0737f0da012ab7b111b391ee228e91d350208d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120E2 | 17092 bytes |
font_01_sfnt_off00014d37.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D37 | 16792 bytes |
font_02_sfnt_off0001654e.bin6d74a7fb4618963ae234876d9318d0f2c20a13052004edb9b294f6cc0e20e89c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1654E | 11380 bytes |
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