MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to potentially compromised CMS upload directories. The PDF document body is heavily obfuscated and contains no readable content, suggesting it serves primarily as a container for these malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9934
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://sewakendragroup.com/userfiles/file/vitosiwususuxazesikuw.pdf In PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/a3ts93ntr0712tgtt5108aam35/10538749105.pdfIn PDF document text
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ac7e555b6f3---52037557458.pdfIn PDF document text
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/b40bd26c20c85d1a7d5c5ecebd59c1cd/folalojulavup.pdfIn PDF document text
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/ce6ae1de225f884a998c13dd68006af2/3229281804.pdfIn PDF document text
- http://aaaexpressheating.com/userfiles/file/xewoseno.pdfIn PDF document text
- http://cokhisah.com/webroot/img/files/tinifatebuluguta.pdfIn PDF document text
- https://baohohoanglong.com/userfiles/file/97037168018.pdfIn PDF document text
- http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608133548ad29---92333828617.pdfIn PDF document text
- https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/ic16vlfv62noejj8b0e2tv2d24/wawajawobeniruwegarebiper.pdfIn PDF document text
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e220cf0071b---dojasipivagodexefog.pdfIn PDF document text
- http://savalis.ru/userfiles/file/guwukamomabidofupo.pdfIn PDF document text
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/5o343f200jo3rb3rjuhjfr3i11/4233499056.pdfIn PDF document text
- http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/qbb1ma1hvu1vge4sv0n0s3om09/46267753478.pdfIn PDF document text
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607571777b848---16597017914.pdfIn PDF document text
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/7796def976b4ee3685e797cabc46766f/12590746029.pdfIn PDF document text
- http://dges.in/userfiles/file/1589294863.pdfIn PDF document text
- http://ytovietnam.net/ckfinder/userfiles/files/samenirowipovutijexobiw.pdfIn PDF document text
- http://jinistudy.com/_UploadFile/Images/file/litodofamirebu.pdfIn PDF document text
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c52dff170a2---2967918458.pdfIn PDF document text
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/04bc90331053e102143e33fc1d957ee2/37669465010.pdfIn PDF document text
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/kbroi37f6m4ct08gr48ta44nt6/lusazusibufuridivolumuxuj.pdfIn PDF document text
- https://webmenuplus.com/images/file/nomirizemiwowipelufat.pdfIn PDF document text
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160775bde34f4e---xumorufegur.pdfIn PDF document text
- http://campingwithconvenience.com/files/files/34423903894.pdfIn PDF document text
- http://highendschmiede.de/highendfiles/file/rivunukaligoluroz.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=kpss+geli%C5%9Fim+psikolojisi+sorular+ve+cevaplar%C4%B1+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_off0000c9cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9CC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e1de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1DE | 16820 bytes |
SHA-256: 6f803a800dcc6e02c73ea3d73352c9b096327169db761ad409365aaf5f4cd57b |
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font_02_sfnt_off00010ac9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AC9 | 11428 bytes |
SHA-256: 7fb71046e12eef1258c4604776cecad56fd0e27318cdd7931f069fee4e802394 |
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