MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating it likely exploits PDF vulnerabilities. The file functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and other disposable hosting, which likely serve as a distribution point for further malicious payloads. The presence of multiple external URI heuristics and link farm indicators strongly suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9932
Heuristics 6
-
ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
-
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.
-
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.
-
External URI info PDF_URIPDF contains an external URL action
-
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.
-
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://crewmak.ru/uplcv?utm_term=a+noun+that+starts+with+t
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b652573270c---rulusokuvakiwupot.pdf
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/o5j07unnoj4unqvnbas1phjgbf/61651669657.pdf
- https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/s9i1ge4pd2i2s3ipigmjlhakab/98557468671.pdf
- https://proxus.nl/file/35788186158.pdf
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a604d533c63---vazunateku.pdf
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080dcc60d8e7---54628708880.pdf
- http://amoy-art.com/Upload/file/59781143509.pdf
- https://congnghethucpham24h.com/upload/files/bulejukisevasivogin.pdf
- https://privatecambodiatour.com/userfiles/file/11010006231.pdf
- http://xoblates.com/clients/e/e0/e08cfb93fb97b00c28394d0532709dc9/File/likivikugogis.pdf
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/bkhekj7etf0o6ekr7b6j906ovr/pufozixapidus.pdf
- http://doubletroubels.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075a25181d18---fodatufufatupowutagad.pdf
- http://scales-center.com/shop/fck_file/file/gutogavex.pdf
- http://phantasos.org/userfiles/file/sakogiziriborudozajijefu.pdf
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092b77352fbb---92960009860.pdf
- https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/2d68c9e02241626d784e8b77c77cf9ec/4364495673.pdf
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608dd55d42e00---xuwupebajadu.pdf
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/u3l9f02lpso3icpa8tskndg574/zitosepusokik.pdf
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/160744d5b5df52---71077703740.pdf
- http://retroldn.com/userfiles/file/vilagadozoras.pdf
- http://hobbstownis100.com/clients/6/66/66141d04a4341350d76ae3a38785cb5a/File/puraparodojudekomoxonamig.pdf
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ade6678dac7---zufajirew.pdf
- http://zoncmswebsitebeheer.nl/files/editor/file/7515750757.pdf
- http://braciszewska-klimek.pl/fck_files/file/43269603414.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606c6a1938b9c---bogiga.pdf
- 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_off00013d34.bin0c6ca620d28ce41c88ae5e1d41a44912ed8cca6ef0b3b0bcac404aa3a8ef1464 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D34 | 10192 bytes |
font_01_sfnt_off00015417.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15417 | 16792 bytes |
font_02_sfnt_off00016c29.bin7bd83566052335e80e7fa475cb3fe37009f9cf34ecc512b1c2c8529a6e09c4ad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16C29 | 19980 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.