MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous links to external websites, many hosted on compromised CMS uploads or disposable domains, suggesting a link farm designed to redirect users. The presence of these links indicates an attempt to lead the user to a malicious site for further exploitation.
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://dijitalsanat.link/upload/files/lonule.pdf
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b264c36d7d---mipizeda.pdf
- http://tugrabilgisayar.net/resimler/files/23424872528.pdf
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/10a96f911398edaaceb9d5fb45c64e77/fisixe.pdf
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/16079e4cc1ec03---98803402408.pdf
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/585bd9eb689980e330b1ded88f6bef84/kugenenat.pdf
- http://babamoleskine.com/files/file/pijorupex.pdf
- https://cursosgratuitosonline.es/wp-content/plugins/super-forms/uploads/php/files/aa7tu73lg9td3aror8pkf4b6e4/86275680471.pdf
- https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/a13f1c0905ef4e407a94d6b7ec009907/zatomik.pdf
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086274ebb7de---48053875525.pdf
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a13d8e9d746---takozatulomotugutidonab.pdf
- https://thietbivesinhanhhuy.com/asset/files/viwakexomulaf.pdf
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/8e5hdhuj7crr4a2e0th1hc7r0t/31707109528.pdf
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160cff4b70abf5---63923637049.pdf
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/7d6req1gss4mrtkqcajml5gmjt/76700324867.pdf
- http://mitsubishilongbien.vn/images/ckeditor/files/limeritunizadazugezesu.pdf
- http://saamfactory.com/wp-content/plugins/super-forms/uploads/php/files/26de4efdf73d66e51d87fcb3b74705b6/92178282005.pdf
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160986b39bf93b---1342059060.pdf
- http://permanentnimakeup-brno.cz/userfiles/files/nisoneju.pdf
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081d3b00126b---fololamobokadaxajozip.pdf
- http://oio.cn/uploadfiles/files/37129615894.pdf
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/16079e29214e56---susader.pdf
- http://morethancars.nl/uploads/edytor/file/38777399585.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=roots+for+polynomials+calculator
- 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_off0000c2f1.binca100aa42e4814a25288ebeb9ba1792d08abb3bd4886722bafed269a62ca5ad8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2F1 | 17448 bytes |
font_01_sfnt_off0000f10e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF10E | 16792 bytes |
font_02_sfnt_off00010925.bin85953c35f25c092a4769bdec50bd4cf2c4b7562a9007d313c58340d353976d2d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10925 | 10768 bytes |
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