MALICIOUS
164
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. The heuristics suggest it functions as a link farm, directing users to potentially compromised WordPress upload storage and disposable hosting sites. While no scripts were directly extracted, the PDF structure and embedded URLs point towards a phishing or malware distribution scheme, likely using embedded JavaScript to facilitate the download of a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
Heuristics 7
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/16084d4d033bda---vomogirezuxumadarulelimes.pdf
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c12f666b84b---nagupen.pdf
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609757402b57a---67761207604.pdf
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbe8a55b6e---vemuvewarevadimafib.pdf
- https://ceccargiurgiu.ro/userfiles/file/lasimorubimufuxibeg.pdf
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/43cf231d35b710936eba37f13d0261a6/43998345496.pdf
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/642d4780dbf538404b6361843fc27ba7/11568450206.pdf
- https://www.m2asolutions.com/wp-content/plugins/super-forms/uploads/php/files/d3ebbe05f97e987980810fcce47b8fa0/lisoperakarufox.pdf
- http://banghetretunhien.com/media/ftp/file/gegebixodoxafuvubap.pdf
- http://brette-animation.com/userfiles/file/78619834297.pdf
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072f5b9696d2---55703795208.pdf
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbaceb40f1f---78896003481.pdf
- http://accessiblevehicleservices.com/userfiles/file/80101663398.pdf
- https://wills.sg/wp-content/plugins/super-forms/uploads/php/files/bdec2260e525a7eb7fbd9cf12399dc78/koveriwewowuwuwun.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/423054d27106f1e60709a607fa2a8c18/45005114036.pdf
- http://technestudio.eu/userfiles/files/zizotizomimorufabalesin.pdf
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd1062ad65c---naxatoxivig.pdf
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/12aeebbad6adc17a4ae8576ddf2fd60f/botupubugupaduzemugene.pdf
- http://ifa-astrologie.de/userfiles/file/55946814681.pdf
- https://bayardplaza.co.uk/wp-content/plugins/super-forms/uploads/php/files/rc2gjgv9u7oj796cjt0qoklbf5/45919779906.pdf
- https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/bbfcd57d8e57921561d45dd07ef38add/zagidurowikulowavilivo.pdf
- http://chetaomaynganhnhua.com/uploads/files/84928196925.pdf
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a84b14ef491---12357570596.pdf
- http://primaria-ciocirlia.ro/media/file/8355342760.pdf
- http://aqbnb.com/uploadfile/file/77109077764.pdf
- http://makesomenoise.hu/upload/file/36206598300.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=converting+pdf+to+latex+file
- 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_off0000e7ae.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7AE | 16792 bytes |
font_01_sfnt_off0000ffc0.binbaf454e2861b3708519dfcc23717d1d04683361d4cb3b9ea7fac8f31d818a7a1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFC0 | 17444 bytes |
font_02_sfnt_off00012d0c.bin132d701482a48ba14d2afcf7cc5935085cffe3f2b38cf0bc3bc5b0ec4ba5789f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D0C | 10704 bytes |
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