MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URIs and link farm heuristics, indicating it's designed to redirect users to other sites. Several URLs point to compromised CMS uploads, suggesting a distribution mechanism for further malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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 https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f25b0043e0dcdb91b34c2a1471fcfff1/fesozurege.pdf
- https://karpataljaturizmus.hu/upload/16753727709.pdf
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/16132ab6a538b3---61101818287.pdf
- http://wooshin.kr/uploaded/file/238754638613223e475af9.pdf
- http://kazuma.ru/ckfinder/userfiles/files/99831433213.pdf
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/f49bc132e5fb616f57ea7e12b06e62d0/zirixomapegu.pdf
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b191c50b58---72876957110.pdf
- http://starfishdowney.com/uploads/files/16394856125.pdf
- http://taxplus.in/images/contentimages/files/dilulerotipimixazarav.pdf
- http://asja.ua/userfiles/file/burufawalazizikekuviviw.pdf
- http://cokhiminhhien.com/media/ftp/file/xigasuwes.pdf
- https://www.greenlakecruises.com/ckfinder/userfiles/files/9946875396.pdf
- https://protrialse.eu/files/files/levozobavuzisopujurez.pdf
- http://sharon-barron.com/userfiles/files/kozilipugiwux.pdf
- https://kentacademymiango.com/userfiles/file/tobowowugadigobiluku.pdf
- http://tvoirostov.ru/ckfinder/userfiles/files/gojozovonotuxevujufirot.pdf
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16148fdd1243d4---lefarilivasetofuga.pdf
- http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/nodirulowotifer.pdf
- http://irths.com/upload_files/files/xelokojepukepokiduniv.pdf
- http://alpanelektrik.com/depo/sayfaresim/file/26241121430.pdf
- https://petikdaun.com/contents/files/morijisupunodafupozemamad.pdf
- https://vozilasavozacem.rs/files/zofitomajerujuvubutafer.pdf
- http://jamalcar.com/userfiles/file/fonemesamezirotajomo.pdf
- http://www.mustwalge.ee/data/content/files/27545201859.pdf
- https://nadrozmerne-sklo.cz/uploads/59041990250.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=8+ounces+of+water+in+litres
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b1e6.bin882578bc41a59904602075c54b6ee83f90081da1c30e034305d0750dff6689e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1E6 | 10628 bytes |
font_01_sfnt_off0000ca71.bin21e95aeae58e47e7857ebab557b75a6f8706467fe6438db8d98d875395402442 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA71 | 14716 bytes |
font_02_sfnt_off0000ef4e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF4E | 16792 bytes |
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