MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by ML classifiers and ClamAV as malicious, exhibiting characteristics of a link farm. It contains numerous links pointing to compromised CMS upload storage and disposable hosting, suggesting an attempt to distribute further malicious content or phish users. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a non-clustered link farm on disposable hosting, reinforcing the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://banghetretunhien.com/media/ftp/file/zewutozewexifezovadojep.pdf In PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1607b8473ccbaf---mirinikeluw.pdfIn PDF document text
- https://aakritidigitals.com/userfiles/files/mitezunu.pdfIn PDF document text
- https://conexus-study-abroad-travel.com/ckfinder/userfiles/file/48854223821.pdfIn PDF document text
- http://sanmarinreunion.com/clients/c/c0/c0747301521b2fcd71a0106c9132c7e7/File/25249986417.pdfIn PDF document text
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609645cd76d15---19849799290.pdfIn PDF document text
- http://parzenica-bialka.pl/userfiles/files/70104042857.pdfIn PDF document text
- https://weeb.nu/userfiles/file/pitifexinugu.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/3a0aebf3a7bac42a148a73278a183c73/4571377877.pdfIn PDF document text
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160cab2f67c414---nevaxenotetibefiga.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/1607fe34d2513e---10632567760.pdfIn PDF document text
- http://akcjonariusz.com/UserFiles/file/98642627234.pdfIn PDF document text
- https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/fb6fc16e5ef4ea171cda00ed2310edaf/13074794750.pdfIn PDF document text
- http://ahkjt.com/upfile/file/teraritagewebuxa.pdfIn PDF document text
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b532ec08898---96609301575.pdfIn PDF document text
- https://dimensioninteractive.com/WYSIWYGImage/file/51875346850.pdfIn PDF document text
- http://cherryontop.pl/upload/fotki/file/2775710981.pdfIn PDF document text
- https://psychologgia.pl/Upload/file/53073986674.pdfIn PDF document text
- https://preprodpcb.com/userfiles/files/dipomolivixomutap.pdfIn PDF document text
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/s74qug94v0dgpu7p3tfgod40o2/54145245592.pdfIn PDF document text
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/160cdf11a0edaa---debexur.pdfIn PDF document text
- http://mnogonomerov.ru/uploads/file/89426110770.pdfIn PDF document text
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/ulv5o88pqq7b2qk5iapk7n5img/8432124193.pdfIn PDF document text
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/7ac673d627012fc3eb6e531829fae024/70994381835.pdfIn PDF document text
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608635b6efd51---kixigebapujopavigoxa.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=rice+boiled+water+for+facePDF 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_off0000f34d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF34D | 17060 bytes |
SHA-256: 9c66b187773d4b88050bac83d9754e41319e6a774584250c654dba37da21a3d9 |
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font_01_sfnt_off00011fbd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FBD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000137d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137D4 | 10468 bytes |
SHA-256: c41dde2fa20d94b951a5cefae9622fa072c7234b828bbce855fb00d7f801a39c |
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