MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded links, many pointing to compromised WordPress sites and disposable hosting, suggesting it functions as a link farm to distribute malware or conduct phishing. The presence of PDF_RANDOM_URL_LINK and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
Heuristics 7
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae7a6f715b0---3368400592.pdf
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/1e6fdc2d35d93cb80f96137e396bb9ab/87101965459.pdf
- https://www.adoz.cz/ckfinder/userfiles/files/68826150291.pdf
- https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/14ee12d63145656eaefa51f9d2187652/lozotuzanuvumi.pdf
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/t7279td5r9r4uehs3kspnohu4c/97123999171.pdf
- https://pharmnet.cz/ckfiles/files/files/31396276654.pdf
- https://pousadamarazul.tur.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609403f35287b---11516850201.pdf
- https://jbdclothiers.net/emailer/userfiles/file/tirusamibewegoziki.pdf
- http://joyear.com/ckfinder/userfiles/files/6063072735.pdf
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072c0b6acb43---vekiduxu.pdf
- http://bellina.pl/userfiles/file/62248062545.pdf
- http://jinxinghotel.com/uploads/files/zusuzazenuzurulaf.pdf
- http://onlinemidias.com/ckfinder/userfiles/files/tasabazuvegopu.pdf
- https://www.geo-decouverte.com/ck/ckfinder/userfiles/files/godafujujikozotizobor.pdf
- http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/160795d4bda3cd---55280370457.pdf
- http://jirehenl.com/userfiles/file/280523169086.pdf
- http://dlastudenta.org/Upload/file/68847979067.pdf
- https://vestol.bg/files/file/dokerixotilusewus.pdf
- https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/8oc29g021c9ckdp4gogn055b2f/45982926542.pdf
- http://bjeclinic.com/ckfinder/userfiles/files/896093243.pdf
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bfc636d4950---83972783228.pdf
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/e3brh1cj312imbirlhi55a2lu4/45760669221.pdf
- http://makesrealsense.com/ckfinder/userfiles/files/64970474803.pdf
- http://cityhighclassof77.com/clients/9/9e/9ea685038b5a197d2022a69b8c6b162a/File/meligisonid.pdf
- https://heks-tech.com/app/webroot/userfiles/files/50332822088.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=short+stories+in+english+for+intermediate+students+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_off0000f622.binfbc02149c5035e76b96df65d5e7b531a4ddb050b91ffbcbb78fe05f58adcd7ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF622 | 11120 bytes |
font_01_sfnt_off00010fab.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FAB | 16792 bytes |
font_02_sfnt_off000127bd.binc34c392e731491c0b17113ea23d8fc2b999053705c72ea3844f372e737355cbb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127BD | 16872 bytes |
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