MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to numerous compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. No scripts were extracted, but the structure and URL targets are indicative of a malicious link distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/d8bfa0ae8d5f849bf6626ebc392de5ad/76066383497.pdf
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/01928269536da4c93d74c822f986f13e/juvodejifolasewirex.pdf
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/160cf57556afad---64078493682.pdf
- http://bpsstudio.hu/uploads/82129917023.pdf
- https://summit-christian-academy.net/scauserfiles/files/xezaposefawutobuzebu.pdf
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa8f4dbb89---kixofobijofe.pdf
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160af7aa90916d---58584808491.pdf
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9889761677---45974852686.pdf
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/fca1e74323339dec613c34cf63867792/lonibirubixesa.pdf
- https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/67fdaf998e21d2c0f91293e3442be66f/64332802170.pdf
- http://fw-simple.com/uploads/files/bobuluv.pdf
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bc5d407b8a8---13478558073.pdf
- https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/ed35a0e91ad3aa5e56043215e62226de/62137921656.pdf
- https://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/47so79nviq83rj1ama8beb9ms4/33747164303.pdf
- http://chelseacarpet.com/ckfinder/userfiles/uploads/37407896856.pdf
- https://thefertilizerequipment.com/d/files/dejexezapegu.pdf
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc8bf8442a---17127917429.pdf
- https://fotoprint.lv/downloads/file/xuzewakunowipu.pdf
- http://armanetti.com/images/risegoxirafuboponume.pdf
- https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/36165c0851028e96793632e5dc2c41a1/femiwufunasinuf.pdf
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c291e7bd44a---sokitivevevevas.pdf
- http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/1607bfb6377033---marofogawelusutopubimepuf.pdf
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8d8cd422ee---gixidiwuvikam.pdf
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a830ab4c5d1---zoxujasuvekekupixulek.pdf
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/96a07f605b12a262a476693f38149c09/80918509937.pdf
- http://goldmustang.com/files/files/17370833922.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=what+is+adm+in+it
- 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_off00010425.bin89205741a624790cc17361d17e4a29605136053b831792625b1cead3c381414f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10425 | 17456 bytes |
font_01_sfnt_off000131b9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131B9 | 16792 bytes |
font_02_sfnt_off000149d0.bin07303f9d00333611b241bc192736f6e245c3c15f9661c5bdc7cba576262d0461 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x149D0 | 10108 bytes |
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