MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ClamAV as 'Pdf.Phishing.Trojan' and a machine learning classifier indicated a high probability of maliciousness. It contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable domains, suggesting a link farm designed to redirect users to malicious content. While no scripts were explicitly extracted, the nature of the URLs and the detection names strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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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 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://obasekiestates.com/UserFiles/file/didisovukedofulugo.pdf In PDF document text
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a70768607---84016800378.pdfIn PDF document text
- http://jyotiacademicpress.org/uploads/file/84685158673.pdfIn PDF document text
- http://asupuro.com/upload/save_image/files/93585491962.pdfIn PDF document text
- http://bjbtrh.com/files/pic/file/74331355281.pdfIn PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/03f9157adffa705e0712b7cc120b6fbe/32116890535.pdfIn PDF document text
- http://ranch.pl/files/file/8859104587.pdfIn PDF document text
- http://cipetbhopal.com/webimg/files/97471824987.pdfIn PDF document text
- http://amghanoi.com/images/ckeditor/files/takorafitut.pdfIn PDF document text
- http://www.hangmandigital.com/files/file/18170947031.pdfIn PDF document text
- http://ongxoanhdpe.vn/upload/files/85331620026.pdfIn PDF document text
- http://1qjd.com/upload/files/2021-06-25-00-21-05-UzCWL3OO.pdfIn PDF document text
- http://www.novosib-sport.ru/ckfinder/userfiles/files/runesevukaroxita.pdfIn PDF document text
- http://drstevealbrecht.com/wp-content/plugins/super-forms/uploads/php/files/99d3f06cbaa49ff69fff0eb9509c6da6/3256458297.pdfIn PDF document text
- http://bpabv.nl/uploadfiles/file/wewimebidogarosonuwolebak.pdfIn PDF document text
- https://batikatravels.com/userfiles/file/77228181523.pdfIn PDF document text
- http://qiuyutv.com/userfiles/files/20210820114943.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/22defom4q5p11n6q439ei87opm/kijuwariselezelu.pdfIn PDF document text
- http://sintellect.ru/Repository/file/kotejilemaloradigabon.pdfIn PDF document text
- http://dtcguild.org/clients/80367/File/83982056814.pdfIn PDF document text
- https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/f0779d553547ed9348f0ab1bc31ca40f/wuzuvasukepukevuso.pdfIn PDF document text
- http://porpora.info/imagenes/imagenes_contenidos///63857811135.pdfIn PDF document text
- https://eatorhours.org/e-bussiness/fckimages/file/53096298448.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=sf+600+army+examplePDF 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_off0000bf89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF89 | 10520 bytes |
SHA-256: 07c266daa8016d455b4ec8993e6c04389e2ecbf4068e35561be0a7e468dc1c78 |
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font_01_sfnt_off0000d793.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD793 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000efa5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFA5 | 16676 bytes |
SHA-256: d560afb9b12b4994794c4c8eba6b02f65b7cd67fcf09d4125e0f9adf5c32e45d |
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