MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains a large number of external links pointing to various PDF files hosted on disposable domains, indicating a link farm or SEO spam operation. The primary purpose appears to be directing users to potentially malicious content through a deceptive link structure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9932
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://wirut.co.za/YmrXLWy8?keyword=is%20the%20renaissance%20and%20reformation%20the%20same%20thing PDF link annotation
- https://mamamusesutur.weebly.com/uploads/1/3/4/3/134359404/roxedoxe-jidesujexig.pdfIn PDF document text
- http://artemovsk.topmebli.com/content/xuploadimages/file/31400274621.pdfIn PDF document text
- http://northdakota.easydefensivedriving.net/CheapNEasyTrafficSchool/pa/trainstation/uploads/image/file/votamuxiwoviruka.pdfIn PDF document text
- http://maintenancebazaar.com/userfiles/file/15986587566.pdfIn PDF document text
- https://norigawe.weebly.com/uploads/1/3/3/9/133988483/lolizezuzokudid-kupije-kagirawav-kizugexeta.pdfIn PDF document text
- http://hueide.com/upload/files/zagojolitedup.pdfIn PDF document text
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/162162536ddc6d---9677696478.pdfIn PDF document text
- http://pnl.ac.id/asset/kcfinder/upload/files/70816747748.pdfIn PDF document text
- https://zarrue.com/app/media/images_description/files/jejal.pdfIn PDF document text
- http://coinproject.com/userfiles/image/file/majogoridigoxusovisil.pdfIn PDF document text
- http://tareeapartment.com/user_img/files/2277829848.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/162259094ce2ec---povofejekawolaruragu.pdfIn PDF document text
- https://detaxenenikub.weebly.com/uploads/1/3/0/7/130776267/vuferitukomuk.pdfIn PDF document text
- https://daguvosiliwu.weebly.com/uploads/1/3/1/4/131406153/7837277.pdfIn PDF document text
- http://www.acs-pack.fr/kcfinder/upload/files/lanulowosopipelowiki.pdfIn PDF document text
- http://zenithmetals.com/files/voviwiro.pdfIn PDF document text
- https://wogaxuporig.weebly.com/uploads/1/3/4/4/134443700/955814a6.pdfIn PDF document text
- https://miraxijuk.weebly.com/uploads/1/3/7/5/137516829/4779764.pdfIn PDF document text
- https://vifawadezak.weebly.com/uploads/1/3/4/8/134846548/7291831.pdfIn PDF document text
- https://rudiwiguxovo.weebly.com/uploads/1/3/5/3/135317070/696f214611.pdfIn PDF document text
- https://minavuxosedixif.weebly.com/uploads/1/3/4/5/134525921/pozexukafu-jeseligazi.pdfIn PDF document text
- https://kavosoxevab.weebly.com/uploads/1/3/0/8/130874108/45e0ce.pdfIn PDF document text
- https://zibiputuwe.weebly.com/uploads/1/3/4/8/134886395/9494696.pdfIn PDF document text
- https://nexijapa.weebly.com/uploads/1/3/5/3/135309594/e09b96a833227d.pdfIn PDF document text
- https://rosexanovetaw.weebly.com/uploads/1/3/0/8/130814227/lipoturimimeju-mejiziduwigi.pdfIn PDF document text
- https://nodepuje.weebly.com/uploads/1/3/4/5/134518199/8920249.pdfIn PDF document text
- 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 extracted file (font_00_sfnt_off000104c0.bin)
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off000104c0.bin)
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000104c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104C0 | 10828 bytes |
SHA-256: 724947f84e1012363a2994b820feb13a0e15db0512d7f25cb5f0b8245d072845 |
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font_01_sfnt_off00011d59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D59 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001356b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1356B | 16856 bytes |
SHA-256: 7b78aa605398bc707df6f58ac319274f4a4186261c023f448b19aa6119ac8f85 |
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