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, suggesting a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lure users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://ibshospitals.com/userfiles/file/86863310172.pdf In PDF document text
- http://szerecsengyogyszertar.hu/editor_up/kisakipubofasobuvunusew.pdfIn PDF document text
- https://taiwan-tiaya.com/upload/tiaya_official/files/13976268350.pdfIn PDF document text
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/c3b604netp5v2m44t8misptr44/62496567425.pdfIn PDF document text
- https://praktijk.zorglink.nl/ckfinder/userfiles/files/dagubo.pdfIn PDF document text
- https://bdprescription.com/ci/userfiles/files/ramiwolafunewu.pdfIn PDF document text
- https://szallas-karpatalja.com/upload/79789603392.pdfIn PDF document text
- https://ecosolar-energy.com/piceditor/file/gopivok.pdfIn PDF document text
- https://terminarz.online/kosmetyczka/krakow/files/zalogomakenekelok.pdfIn PDF document text
- http://ecohort.com/userfiles/files/talulidalawasepoju.pdfIn PDF document text
- http://www.adarshvidhyasankul.org/userfilesfile/musosor.pdfIn PDF document text
- http://brenna-ski.pl/userfiles/file/ridixag.pdfIn PDF document text
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613e7a4a71c1b---vabuxozavawokoru.pdfIn PDF document text
- http://xn----itbbfrdrdbd4bgy6gi.xn--p1ai/webroot/files/files/81424179716.pdfIn PDF document text
- https://gemwares.com/userfiles/file/10317016692.pdfIn PDF document text
- https://maintogelonline2.org/contents/files/pugodawapefusol.pdfIn PDF document text
- http://gdwtechnology.com/fckeditor/file/24394473347.pdfIn PDF document text
- http://messtores.ca/fck_user_files/file/90739223292.pdfIn PDF document text
- https://grandhotelushba.com/userfiles/file/36804574019.pdfIn PDF document text
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/3e7b2b54db2782951561a1a836b02739/gesatukezababujidumomudep.pdfIn PDF document text
- http://hyunbulsa.org/~ewedd2/userfiles/file/tafofodev.pdfIn PDF document text
- https://greenlandpark.com/uploads/files/32889790448.pdfIn PDF document text
- https://ghadir-eng.com/userfiles/files/kopunus.pdfIn PDF document text
- https://eminenceconstruction.ca/viking1/uploads/files/vujipero.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=android+wake+on+touchPDF 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_off0000beca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBECA | 17324 bytes |
SHA-256: 82136890543a07adce759976c03e6ceb90b0f0296e658c2cea6354173d000f8b |
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font_01_sfnt_off0000ec15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC15 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001042c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1042C | 10512 bytes |
SHA-256: 742355a1bd5f949329e60e7dad21a1743ef64770b19f6df060d4c6f5788809d8 |
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