MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised CMS upload directories and disposable hosting, suggesting a link farm designed to redirect users. While no scripts were explicitly extracted, the PDF structure and the presence of numerous external links strongly suggest it's used as a lure, likely for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://studiogalata.it/userfiles/files/31653665958.pdf In PDF document text
- http://pomocnaukowa.net/Upload/file/48828274012.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/tm6qb3s0b7lp5cnr25ijmucqc2/kexupofupar.pdfIn PDF document text
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/9em8rj0n25m705rk3mf1icliq5/xifewize.pdfIn PDF document text
- https://khanikango.in/file/zipelavuseganarijovomo.pdfIn PDF document text
- https://www.thaiahpa.com/flash/files/tedizolokemiwofaro.pdfIn PDF document text
- http://forter.vn/hinhanh/file/61974760085.pdfIn PDF document text
- https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/7d96401ac8b0d541c8f6123f7d5b7703/21648005543.pdfIn PDF document text
- http://getvisa.ru/images/File/34719782567.pdfIn PDF document text
- http://budaikepkeret.hu/uploads/file/11531629626.pdfIn PDF document text
- http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd57971e4a---42852702520.pdfIn PDF document text
- https://thietbixaydungcantho.com/canthomobile2/public/images/sanpham/files/14532323086.pdfIn PDF document text
- http://evohome.pl/userfiles/file/66700255030.pdfIn PDF document text
- http://kwiatmetal.pl/userfiles/file/99217948805.pdfIn PDF document text
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607b44bb23841---16537142854.pdfIn PDF document text
- https://creteotels.gr/FCKeditor/userimages/file/buwuzaxisuvud.pdfIn PDF document text
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/603e455138967b6100d958797b36f653/37273276189.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16084d2e1c433a---71673563885.pdfIn PDF document text
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/3125d73974bf543dc603312ad0412fdb/99990778005.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1607800a15aea0---kekanumaf.pdfIn PDF document text
- http://dok-vo.ru/userfiles/file/23418624355.pdfIn PDF document text
- https://kolegium.inaheart.org/upload/files/lutipubaza.pdfIn PDF document text
- http://robwalker.net/fckupload/file/29133804344.pdfIn PDF document text
- http://train-in-japan.com/images/blog//file/bumulipivewimavelib.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=jenis+terapi+aktivitas+kelompok+pdfPDF 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_off0000e8c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8C1 | 16112 bytes |
SHA-256: 87f5c894ed232d7ea1bb646c4af1df5b72267fa5075458866b1375852e9b476e |
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font_01_sfnt_off0001128c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1128C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012aa3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AA3 | 10808 bytes |
SHA-256: 77836bef6195fc16c090e1ec97d2fab205d9e116849ce64bb9bb307b47e7e881 |
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