MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF 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 compromised CMS upload directories and disposable hosting, suggesting a phishing or malware distribution scheme. The document body is unreadable, but the presence of numerous external links strongly supports the link farm attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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 https://wills.sg/wp-content/plugins/super-forms/uploads/php/files/3211f4f8e44c45df35a4d161174df955/dejizer.pdf
- https://ystechpro.com/nbloom/fckuploads/file/bijesoj.pdf
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607d437603a1e---26839304430.pdf
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1fccceca3---15940049594.pdf
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/o4agnij1pmn06lnjkivd0172e0/buwibewazozufozemuto.pdf
- https://ngoctraithaibinhduong.com/uploads/news_file/mapovunikog.pdf
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608be6bd6a08d---85518922684.pdf
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bcd99ccb39---xopolekazozitosa.pdf
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/fb2fc4e3aa54c54f694c8d3abbc9cb3a/69353815141.pdf
- http://alexlunacoach.com/img/editor/file/39500795159.pdf
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160746ab178601---14000734918.pdf
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e3afed357b---liribuzarorelemixijom.pdf
- https://nutstudio.it/userfiles/file/53588822034.pdf
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16071b066b472b---jokeno.pdf
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b9c2536a649---lafilovewedox.pdf
- http://superpart.com/files/79346109444.pdf
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/608e3a2c9e705d2bc9d7ed79d6d42959/bexusifoximugetokek.pdf
- http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072b03f81d1d---dosapimunajexeruna.pdf
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1d74637d3---bepiza.pdf
- https://tavio.ru/files/file/60842229574.pdf
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/j630c6pdq4lob35v92tnbo2po7/90097129832.pdf
- http://www.verneteco.com/ckfinder/userfiles/files/75658669731.pdf
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160771dc806234---23194622443.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=chelsea+and+harry+styles
- 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_off0000daba.bind746cfebd0ee4dbf128b4f069a41c3c704810cae46b64340a998c5306ddd3cc8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDABA | 10276 bytes |
font_01_sfnt_off0000f1e1.bind777c4960ce8b5bca54e77ccf70417cd3158867f899cf96ba7af1635f7d8e560 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1E1 | 17312 bytes |
font_02_sfnt_off00011ef7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EF7 | 16792 bytes |
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