MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links to compromised WordPress upload storage, suggesting it's part of a link farm designed to distribute further malicious content. The presence of these links and the overall structure indicate a phishing or scam attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1611812486953b---faxijo.pdf
- http://factorycontrolprojects.com/userfiles/file/kifobugedaravujozor.pdf
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160947db0b4875---2419026854.pdf
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9e28e98ec3---1828901507.pdf
- http://collegium-connect.nl/ckupload/files/xuxuverogisudojumelixuxil.pdf
- http://akgikorea.com/file_upload/fck_upfile/file/nevatopawazupojamelafe.pdf
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/47833ac52332e2e3d0c6fb1def63ad24/wedopegulakis.pdf
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/1606f423e3cd82---6988433485.pdf
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb7d70efb75---10170065328.pdf
- https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/0hlm5pdo2ivea5k9h2k4mlinca/duxosuwafufoparowamolaki.pdf
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ff725521809---39915884663.pdf
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/9992a0976876b0bf3cfd779cbce9d1c1/bofepokuvuzuraki.pdf
- http://bakoca.hu/files/file/jesinor.pdf
- http://allprintusa.com/admin/images/file/wevetef.pdf
- https://beldapin.com/calisma2/files/uploads/14028186807.pdf
- https://duproject.com/uploadEditor/files/30411126951.pdf
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a4172d6a14---tetapo.pdf
- http://vintageguitar.ru/ckfinder/userfiles/files/jumis.pdf
- http://lws-realestate.com/userfiles/files/39431990060.pdf
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/ft4oeuai4kbchdrqbmjp20l3q0/dilirejosu.pdf
- http://flexa.cz/docs/file/46544594655.pdf
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607898abef6f5---64410138048.pdf
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609d21a4c5a9b---77386557175.pdf
- http://www.onlinenieuwsbriefversturen.nl/gebruikers/afbeeldingen/jawexiko.pdf
- https://emenu.hu/editor_up/vabodasopelunip.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=ark+evolved+mobile+guide
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec37.binb5f9f43d75d5e8b05445a09f8d4905eb79d3b27f7463d474f0ed065c9b4bc457 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC37 | 10436 bytes |
font_01_sfnt_off0001039d.bin97e3f73a58ccdd4784c9ae1678d9f90717e6b6d0c87c36bf93adb8865ef65ebd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1039D | 16192 bytes |
font_02_sfnt_off00011929.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11929 | 16792 bytes |
font_03_sfnt_off0001313b.bin9d15d541bb8096a6db3e461d4c2b0c93733d414656b823d7ad9297f8161e1442 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1313B | 18928 bytes |
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