MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and uses an image-based lure. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.7988
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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 51 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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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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://ucity68.com/clients/e/ea/ea220da86df44fb0ae3b7c8e8295ccc1/File/37360630120.pdf In PDF document text
- http://paradisoseminatrici.it/userfiles/files/guroxi.pdfIn PDF document text
- https://gancza-yacht.pl/userfiles/file/39215684481.pdfIn PDF document text
- https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/1191fc74f3d812e8de4d75ccaa0aa871/99417168847.pdfIn PDF document text
- http://dbjhockeytournament.com/clients/f/f9/f9ff496842c877cbb4522510b668f2a2/File/fafanizosada.pdfIn PDF document text
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160823dc81d615---gufaratigunaxajefenune.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16095d2b895a93---goxatudukopevirema.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f9944fa3303---83631800461.pdfIn PDF document text
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/0d3f94e658acf01349309a5515511e49/gefifofowukidik.pdfIn PDF document text
- http://rongqichem.com/upload/files/gizobasikalalalokotok.pdfIn PDF document text
- https://zlataraburmevuckovic.com/files/wagovuzad.pdfIn PDF document text
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d6404702700---timogigusorege.pdfIn PDF document text
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/0un2cpsgt784hji072hlmnktd1/63458025386.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d386d415bd8---19382023487.pdfIn PDF document text
- https://vieclambanhang247.com/upload/files/28835226636.pdfIn PDF document text
- http://kirilmazbardak.com/userfiles/file/razurutezolomanevabi.pdfIn PDF document text
- https://www.ndgai.com/wp-content/plugins/super-forms/uploads/php/files/8jtfo4gtmtdrgmi3u8nean6f6p/remebovinoxuwiluzubigom.pdfIn PDF document text
- https://moto-trend.cz/public/files/fck/file/82381136257.pdfIn PDF document text
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/61e4c64b331b8c558188e0ec113489b0/96504365544.pdfIn PDF document text
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/86f018c421811aecdba0918bf00eb013/bivezumejolufame.pdfIn PDF document text
- http://targhevaticane.it/userfiles/files/fuzodadatewedufinuwolepen.pdfIn PDF document text
- https://successalpha.team/upload/files/89085626555.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=free+printable+mixed+addition+and+subtraction+worksheets+for+kindergartenPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b02f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB02F | 14336 bytes |
SHA-256: ded2e13e08d85ed1c36c76e06912bb7b66773e19ddfc6bbcda1157d1cb665bb0 |
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