MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised CMS upload directories, suggesting a link farm used for distributing malicious content or phishing. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the heuristics point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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 https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c195081ab36---delalupo.pdf
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/9de304d971aeb5ffd7055cacb6471e18/ratolojevuk.pdf
- http://daiichilogistics.com/uploads/news_file/pakalojovofoluzoloz.pdf
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c782046adac---33615106378.pdf
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16091211c5a0d7---wekab.pdf
- https://actor-conseil.com/files/file/nifikuvutefopekujokemimu.pdf
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079abf06ce72---95967116018.pdf
- http://thunderstar.cn/userfiles/file/20210517001427966484466.pdf
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/6547f3163edbd6387afaecf5f0062000/wumokuvebukapuresegedo.pdf
- https://www.ergunaygoren.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ca31d0354a---rufokafojoke.pdf
- https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/35db9d1038275bbce786981252d2f5fc/towatijajabilokolujagefe.pdf
- http://asupuro.com/upload/save_image/files/fadoneteda.pdf
- http://s-moonlight.com/CKEdit/upload/files/pevigum.pdf
- http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609fc9640493c---jatojimano.pdf
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160781a5493a0d---ravolef.pdf
- http://asfalon.com/__files/file/jitivaleg.pdf
- https://preciseenergygroup.com/media/25240226039.pdf
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/murfu3kdmfqh7h97rghohvq9e1/2255245085.pdf
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c97eec745aa---84799939584.pdf
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/edde1649b22ecff1cf2148fe4cab409c/zokoxoko.pdf
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070990931184---ronulumusufolexowat.pdf
- https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/75bfe9d28b817babe3884624d5d8bc0f/91439198265.pdf
- https://gobelsprofil.com/upload/files/73999570669.pdf
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a465591ea6e---malazufazobofasokemul.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=hall+effect+sensors+theory+and+application+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_off00016d5f.binc8527272eaffe71f50ef1372ee4e125dc8b08ca0990bc95c57e3550668b6695a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16D5F | 10824 bytes |
font_01_sfnt_off0001863c.binf5b0e599e1da899724249a7eb04e3a9cce6f78dbd011f8843b60da3e34e1a0d3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1863C | 19676 bytes |
font_02_sfnt_off0001b832.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B832 | 16792 bytes |
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