MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this malicious intent. The ClamAV detection and ML classifier further confirm its malicious nature, likely as a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
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://pchs1967.com/clients/b/b3/b38b0c0be7ceca4b309dcb684d78a7c5/File/mumoxako.pdf In PDF document text
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/cfdf43f3b6dcf3462ccfbe4b5face214/21875581127.pdfIn PDF document text
- https://marblobathware.com/app/webroot/img/files/49660389389.pdfIn PDF document text
- https://taechoclub.com/FileData/ckfinder/files/20210606_A4C764A618EE377D.pdfIn PDF document text
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b4211f2df78---38251437913.pdfIn PDF document text
- http://stringpoets.com/userfiles/file/45771015214.pdfIn PDF document text
- http://kapsalonvogue.nl/files/file/ganuxazobutamanonawogof.pdfIn PDF document text
- https://ezgoe.com/10005001208290177/ckfinder/userfiles/files/rajulinerariribovis.pdfIn PDF document text
- http://kamennykoberec.eu/editor_uploads/system/files/riduseliboxu.pdfIn PDF document text
- http://tunglamgarden.com/images/fck/file/gatusiwumenajanale.pdfIn PDF document text
- http://rts-3.ru/upload/files/worasazedifibakewedo.pdfIn PDF document text
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c8d807fe8a---gedasavidorokopegaku.pdfIn PDF document text
- https://rtvpuls.com/ckfinder/userfiles/files/luzedow.pdfIn PDF document text
- http://dmhu.eu/uploads/uplib/file/digazutesidixuxopukuruko.pdfIn PDF document text
- http://radyoislam.com/resimler/files/wokatip.pdfIn PDF document text
- https://infoenergie-loire.org/userfiles/file/vujaluxulofenaxumex.pdfIn PDF document text
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/0e826c30589e882925cee8e7edf210dd/munexerisekokajeviwapob.pdfIn PDF document text
- http://syarmarka.ru/userfiles/files/34713052038.pdfIn PDF document text
- http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609406d6054a9---kirelixixerikasufabir.pdfIn PDF document text
- https://otoform.com/upload/ckfinder/files/sugut.pdfIn PDF document text
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/4v3beu7eu5lk1ktdqg479q8h42/jububilez.pdfIn PDF document text
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091aa4c5f2a1---xojefokut.pdfIn PDF document text
- https://familienarbeit3plus.ch/userfiles/files/lugurujojivokab.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=canara+bank+nri+account+opening+form+download+pdfPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010884.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10884 | 18344 bytes |
SHA-256: 108cdecb144e4a3c1a1b1270f7af48a32127ef0b316d7d73060d2c22cb34db5a |
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font_01_sfnt_off00013870.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13870 | 11244 bytes |
SHA-256: 8af099d9f677c428bb346bc4cf792ed9b61729fb7821a61342cd9be93d756b80 |
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font_02_sfnt_off00015276.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15276 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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