MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, specifically identified as phishing or a trojan. While no scripts were directly extracted, the nature of the URLs and the heuristic firings point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://woodbridgeabw.com/uploads/files/17306866820.pdf In PDF document text
- http://compsult.net/userfiles/file/ramitawo.pdfIn PDF document text
- http://birzebbugastpetersfc.com/files/file/watavazamijit.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142eb258b6f8---mawaridu.pdfIn PDF document text
- http://fujavietnam.com/images/Download/soruzujewap.pdfIn PDF document text
- https://stauber.lt/images/files/mirozab.pdfIn PDF document text
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/94c19392546993e84a539488de9e6256/8127393122.pdfIn PDF document text
- https://halkapsikoloji.net/userfiles/file/befibarufinerasikedi.pdfIn PDF document text
- https://schachverein-marchhoefe.ch/fcsr/news/upload/file/pipupuvukonatati.pdfIn PDF document text
- https://xn--90ah6akb9e.xn--p1ai/f/file/98541983695.pdfIn PDF document text
- http://joltiy.ru/uploads/files/35375977386.pdfIn PDF document text
- http://salonorganica.ru/upload/files/fujusinetad.pdfIn PDF document text
- http://klinok-saintp.ru/files/17260883231.pdfIn PDF document text
- https://catequesisnavarra.org/guiarte_userfiles/files/6039405609.pdfIn PDF document text
- https://balarampurblock.in/ckfinder/userfiles/files/suwana.pdfIn PDF document text
- http://ilkconstruction.com/Images/Media/files/nujure.pdfIn PDF document text
- http://www.waetsukai.jp/system/ckfinder/userfiles/files/64598167500.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/7f1a442ae983f541b53835543c842a17/30613599132.pdfIn PDF document text
- http://marta-galan.com/files/varios/file/6386604190.pdfIn PDF document text
- https://maria-galland.ru/files/file/ripozela.pdfIn PDF document text
- https://brune-schmuckwerk.de/ckfinder/userfiles/files/79240897920.pdfIn PDF document text
- https://callmarkinvestments.fortunekenya.com/callmark/files/99906877847.pdfIn PDF document text
- https://santa.sg/images/users/00000000/files/fafunegozipukexozete.pdfIn PDF document text
- http://epodhajska.eu/UserFiles/File/54112873158.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=genki+1+and+2+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_off0000b07f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB07F | 16544 bytes |
SHA-256: da7e88117bb976c95922d1715951437c664d04edadef2dc797ea2601952ee6d9 |
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font_01_sfnt_off0000db46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB46 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f35d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF35D | 10260 bytes |
SHA-256: 2416f4ef670c6aa288510698b1d10439523dfd93c67388f96d989fc989af4ce5 |
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