MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The document contains a link farm with numerous URLs, many hosted on compromised CMS upload storage, suggesting an attempt to redirect users to malicious sites. The presence of multiple external URIs and a link farm structure points towards a phishing or malicious redirection attack.
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 http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b5a1d0da19---15806241548.pdf In PDF document text
- https://juvelyrikoscentras.lt/Files/file/78899784804.pdfIn PDF document text
- http://sevennews.com.br/ckfinder/userfiles/files/jojatekari.pdfIn PDF document text
- https://www.mds-horizons.com/upload/files/74502826605.pdfIn PDF document text
- http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/6addafe22ce795450f45af8f78a949f6/xupozuraguwexulebola.pdfIn PDF document text
- https://sergiomauri.com/images/file/5903290174.pdfIn PDF document text
- http://andrelandberg.com/userfiles/file/94502074686.pdfIn PDF document text
- http://bftt.marketsearching.com/upload/files/26316255150.pdfIn PDF document text
- http://ch-yang.com/upload/files/28799336425.pdfIn PDF document text
- http://fazendasaojudastadeu.net/fotosempresa/files/zuzeduwosupejowesimojig.pdfIn PDF document text
- https://strongpointmarketing.net/userfiles/file/zanuwuvapikokinumewaf.pdfIn PDF document text
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eef68b8dbb---98904626092.pdfIn PDF document text
- http://youzedu.com/ckimages/files/20210905095136488201.pdfIn PDF document text
- https://namratalakhotia.com/userfiles/files/66774808131.pdfIn PDF document text
- http://provia-events.de/pics/fotos/1/file/33616143711.pdfIn PDF document text
- https://toliveinchristjesus.ceosale.catholic.edu.au/application/third_party/ckfinder/userfiles/files/53746776489.pdfIn PDF document text
- https://marblo.ph/app/webroot/img/files/7610151395.pdfIn PDF document text
- http://multi-accueil.fr/ressource/site-image/files/malidisebap.pdfIn PDF document text
- http://munnartourism.com/uploads/file/dutaxiwefufivos.pdfIn PDF document text
- https://infotechloyalty.com/bot/ckfinder/uf/files/26557611192.pdfIn PDF document text
- https://artgreen.vn/attachment/files/xikipizirodumijuzufegip.pdfIn PDF document text
- http://casadiriposomarsala.it/userfiles/files/30748209419.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/1a3521eb07074ba7fa4868f91f91df64/34895356196.pdfIn PDF document text
- http://gbfrjournal.org/pds/userfiles/files/53481030907.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=games+for+couples+on+play+storePDF 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_off0000c5d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5D7 | 16644 bytes |
SHA-256: f8fd5f74d0bef6ef9f143deed8c5621978728f752edb5aa51f60c4c20aa7d810 |
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font_01_sfnt_off0000f080.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF080 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010897.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10897 | 10800 bytes |
SHA-256: 7b0ca9f34c81dd9b582e995246d89cae14d3f1849ec2713ce86a9221b657c45d |
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