MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ML classifiers and ClamAV, specifically identified as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised websites or disposable hosting, suggesting a link farm designed to redirect users. The PDF structure and heuristic firings indicate it's intended to exploit users by directing them to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://apartmany.cucoriedka.sk/data/files/tilajen.pdf In PDF document text
- http://haraj-alqunfudhah.com/userfiles/file/81140019892.pdfIn PDF document text
- http://kp-technik.cz/ckfinder/userfiles/files/falodutekugesasazunulas.pdfIn PDF document text
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/1ee9ccd379ce42c82429d9e5ca387c1d/sidotijiwi.pdfIn PDF document text
- https://uleshuzataruhaz.hu/files/file/78133516588.pdfIn PDF document text
- http://exito-opakowania.pl/userfiles/file/10823327442.pdfIn PDF document text
- http://klpa.net/userData/board/file/nifawelerupubojekiwetum.pdfIn PDF document text
- http://olgapolyakova.com/files/files/ribinuzer.pdfIn PDF document text
- https://nayyaralidada.net/alpha/ckfinder/userfiles/files/76842403337.pdfIn PDF document text
- http://viviapalermo.com/userfiles/files/4323516304.pdfIn PDF document text
- http://networkinglikepro.com/ckfinder/userfiles/files/11745765256.pdfIn PDF document text
- http://familie-schiecke.de/images/file/namelalufokifibuj.pdfIn PDF document text
- http://gramercygrand.ru/files/file/87439846426.pdfIn PDF document text
- http://sov.tranovice.org/webpagebuilder/ckfinder/userfiles/files/62874332197.pdfIn PDF document text
- http://www.hermosabeachbungalows.com/userfiles/files/rodewe.pdfIn PDF document text
- https://albizy.com/ckfinder/userfiles/files/molizefeto.pdfIn PDF document text
- http://studioghittigargnano.com/userfiles/files/56488918051.pdfIn PDF document text
- http://2015.letnifestiwal.pl/ckfinder/userfiles/files/22365107047.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/b33931b3b36ff94ab3485dc4798263c6/towelij.pdfIn PDF document text
- https://hopclickhospitality.com/scgtest/team-explore/uploads/files/37023176391.pdfIn PDF document text
- http://cieplej.pl/imgturysta/file/34262600240.pdfIn PDF document text
- http://inkjetartandimage.com/Uploads/file/43397223949.pdfIn PDF document text
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614549f17982a---gatobisubobedipoxafovan.pdfIn PDF document text
- http://dichvutot99.com/webroot/img/files/65068325637.pdfIn PDF document text
- http://aire-limpio.com/img/editor/file/34528105345.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=class+6+computer+questions+with+answersPDF 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_off0000ca34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA34 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e246.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE246 | 19196 bytes |
SHA-256: 776e4f141d0feadbfce161e4c09054b497f52a825c8fa3365eae172e75ff17d7 |
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font_02_sfnt_off000112a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112A6 | 11172 bytes |
SHA-256: 74d716df1f32419f08081c42ccea923b3389c6fe81db1677709369090d31245e |
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