MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The file contains numerous links to compromised websites, including one hosted on a compromised WordPress upload directory. The presence of these links suggests the document is intended to redirect users to malicious sites, likely for phishing or to download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9939
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://studiofapas.it/userfiles/files/43528017407.pdf In PDF document text
- http://cnokorea.com/userfiles/file/63057680400.pdfIn PDF document text
- https://premium-house.uz/images/file/52087508258.pdfIn PDF document text
- http://vansuloi.com/uploads/userfiles/file/15277176202.pdfIn PDF document text
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/v5joa7jte29hjdbkma51ggh955/84072894392.pdfIn PDF document text
- http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/o082f91aj6f013pg1s1sir6icr/40369185608.pdfIn PDF document text
- https://fratellifurloni.it/file/3102267638.pdfIn PDF document text
- http://mikllc.mn/uploads/files/80734447739.pdfIn PDF document text
- https://gelblighting.com/userfiles/files/dopetodawajemuwefe.pdfIn PDF document text
- http://kavernoklub.com/campannas/file/98805248218.pdfIn PDF document text
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1612fba02056c6---22573430435.pdfIn PDF document text
- http://casms.org/atts/news-files/file/56626287192.pdfIn PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c99937301c---39938163629.pdfIn PDF document text
- https://andymullinscommercial.com/home/andy/public_html/ckfinder/userfiles/files/dawefosoguxep.pdfIn PDF document text
- http://jinruily.com/UploadFile/file/20210910175906173.pdfIn PDF document text
- http://abc-tel.ru/data/File/fukolitetaluzem.pdfIn PDF document text
- http://vom-ragnaroek.de/uploads/file/98767692230.pdfIn PDF document text
- https://ginniglobal.com/uploads/file/94285842978.pdfIn PDF document text
- http://trustarshida.co/cache/fck_files/file/8652741854.pdfIn PDF document text
- http://ingmontagna.com/userfiles/files/sopidowovak.pdfIn PDF document text
- http://zzzwchem.com/upload/files/vivepisalumufew.pdfIn PDF document text
- https://ita.kru.ac.th/ckfinder/userfiles/files/59487492693.pdfIn PDF document text
- https://sieuthigo.vn/upload/ck/files/82280201094.pdfIn PDF document text
- http://pxmonastery.org/CKEdit/upload/files/nibopanuximamixaruxol.pdfIn PDF document text
- https://peisheng.org/uploads/ckfiles/files/61353587e6bef.pdfIn PDF document text
- http://attep.com/home/sandbox/domains/heekee.com.hk/public_html/ckfinder/userfiles/files/wetemape.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=christmas+activities+worksheets+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_off0000b800.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB800 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d017.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD017 | 11008 bytes |
SHA-256: 2bb051217267331b2c13207cf3c59efd203e4df806ea1d40451374838f69a305 |
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font_02_sfnt_off0000e9d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9D1 | 19124 bytes |
SHA-256: 325bd2a9f81de88610f3f94c2965c8c3d9617d67632f9d0827575025ffa76db0 |
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