MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as a link farm, with many URLs pointing to potentially compromised or disposable hosting. The ML classifier and ClamAV also identified it as malicious, specifically a phishing or trojan variant. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the presence of numerous external links strongly suggests an attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://esenkardeslerinsaat.com/resimlerfiles/9201946470.pdf In PDF document text
- http://ssaisarang.com/ckfinder/userfiles/files/4739868364.pdfIn PDF document text
- http://cityhigh78.com/clients/2/2d/2ddbae4fb74c169819b3574d76e4e264/File/xosuzisemezososu.pdfIn PDF document text
- http://nsdadventist.org/FCKData/file/femanatobo.pdfIn PDF document text
- http://standdominica.org/files/files/kamigerepesenivakajuvor.pdfIn PDF document text
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160810e085f7cb---96318557315.pdfIn PDF document text
- http://akinmedical.com/uploads/file/87980311246.pdfIn PDF document text
- http://khiconghoixuancong.com/Khicong/admin/userfiles/file/48160095908.pdfIn PDF document text
- http://anvlaw.com/userfiles/file/38407002781.pdfIn PDF document text
- http://bukharageorgia.com/sites/default/files/file/58641102363.pdfIn PDF document text
- https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/t0ttpkn8u7gml8a55301endbsr/kozufanobe.pdfIn PDF document text
- https://hardlineconstruct.ro/app/webroot/files/userfiles/files/60386893479.pdfIn PDF document text
- https://suma.ca/upload/editor/file/45148162999.pdfIn PDF document text
- http://naturallabs.fr/userfiles/file/29791001814.pdfIn PDF document text
- http://contentworks.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606d50966edc2---3941191501.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/mumufipa.pdfIn PDF document text
- http://casadiriposomarsala.it/userfiles/files/medogujogajonikosedi.pdfIn PDF document text
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/hcal0nc3a7hfjb683avq33p8m2/wifom.pdfIn PDF document text
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160763fe5ab6e7---69399264714.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/betidolulasevanarilibazoz.pdfIn PDF document text
- http://willismctyeire.com/clients/c/cd/cd1fd5262213d36872a77bd42df049b7/File/kobopinidizudorinukaveka.pdfIn PDF document text
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/ne7sv36k3rqiv4jvppd5akg851/4998262477.pdfIn PDF document text
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607edf8cc78aa---nirojufiwizufuz.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=handbook+of+developmental+research+methods+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_off00015faf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15FAF | 17428 bytes |
SHA-256: f68945d0baab38172fa54b5730550222ce41ccb76421159f2cf5aa08fd8973a1 |
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font_01_sfnt_off00018d36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18D36 | 11084 bytes |
SHA-256: ccfac9bb2c3eef6450c5acc31662810b90db4ba41db9306a33a45267c1e6af41 |
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font_02_sfnt_off0001a69f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A69F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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