MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is a PDF document detected as malicious by ClamAV and an ML classifier. It contains numerous embedded URLs, many pointing to compromised CMS upload directories, suggesting it functions as a link farm to distribute further malicious content or phish users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using disposable hosting for these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 https://www.aukuras.org/ckfinder/userfiles/files/47251077602.pdf In PDF document text
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/tb1ta2ila5ui1605lqppfek8k2/dajunowedekote.pdfIn PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609863fde2ca2---93537318588.pdfIn PDF document text
- https://www.gurgy.net/ckfinder/userfiles/files/87659909281.pdfIn PDF document text
- http://harposwebdesign.nl/app/webroot/files/userfiles/files/nukufaxenobota.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/m0up689efndvbdfv1plda7gf32/82397413184.pdfIn PDF document text
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c4c2a88aa40---gawapebozezitesigewez.pdfIn PDF document text
- http://web-news.eu/www/pkpar/userfiles/file/66104550178.pdfIn PDF document text
- http://risme.vn/files/pomokomadosewipat.pdfIn PDF document text
- http://americanpetrochemicals.com/customers/CMS-IMAGES/file/gubotixaviwa.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1aafc0af0c---latusiwabovalizof.pdfIn PDF document text
- https://otartufo.com/ckfinder/tartufofiles/files/jigigapamun.pdfIn PDF document text
- https://ttnthailand.com/upload/userfile/files/garidalidul.pdfIn PDF document text
- http://highlevel.pl/userfiles/file/98277861183.pdfIn PDF document text
- https://www.mds-horizons.com/upload/files/xufaxivinorovo.pdfIn PDF document text
- http://nfc.soo.jp/file/39634703968.pdfIn PDF document text
- https://bursac.net/userfiles/file/wimojisubeperolodiwide.pdfIn PDF document text
- https://drsubhashawale.com/ckfinder/userfiles/files/kixawokapaxototujugemazi.pdfIn PDF document text
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16091cb8ed8942---74641585621.pdfIn PDF document text
- http://nwatchonline.net/userfiles/file/nokusuki.pdfIn PDF document text
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d3152387a1---64797389783.pdfIn PDF document text
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/ecc2cc0a8d5405c685736d883a066c89/metas.pdfIn PDF document text
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/994c20ef6410088af9dd22bd679297ae/40004577186.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=comprehension+passages+for+grade+4+with+answers+onlinePDF 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_off0000f45c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF45C | 11140 bytes |
SHA-256: 93d7c42d13dad0e9dfae1a3fd2544f090867dead4433b7ac8f09c53fed8ec0d6 |
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font_01_sfnt_off00010e1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E1A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001262c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1262C | 16824 bytes |
SHA-256: 310c1ee5936c6b969a615aabd9b1f219dddb7ad021f30698ff2db1ee7811220d |
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