MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Several heuristics point to the PDF being a link farm hosted on compromised or disposable domains, suggesting it's designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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 http://gmicropilotes.com/uploads/files/20897489375.pdf In PDF document text
- http://uptownherndon.com/uploads/files/pokosijinugetezur.pdfIn PDF document text
- http://gentlemensquartersbarbershop.com/wp-content/plugins/super-forms/uploads/php/files/6212b54f44654f7344c6685e9d7ff978/zadujofu.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/ac7fd0c62df5e2d1c6cd42dc0973d635/51720513342.pdfIn PDF document text
- http://sladkiy-ostrov.ru/userfiles/files/pubonifemugowamaj.pdfIn PDF document text
- http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/e57cd3d345e0935088610be1f9b76e2b/53350175069.pdfIn PDF document text
- https://szekszardportal.hu/userfiles/file/xipagegirutonobelorota.pdfIn PDF document text
- https://praward.tw/wp-content/plugins/super-forms/uploads/php/files/c43909faff3474f3d2a205046db7a5b8/41990906935.pdfIn PDF document text
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/58a3435fd30784da988b010101e011dc/gixuwegobiviwivabolij.pdfIn PDF document text
- http://195exim.com/datas/files/28690728274.pdfIn PDF document text
- http://keystoparadise.com/userfiles/files/73043139477.pdfIn PDF document text
- https://sherwoodchamber.org/ckfinder/userfiles/files/49125434909.pdfIn PDF document text
- http://anhuifan.com/upload_fck/file/2021-5-16/20210516165718376720.pdfIn PDF document text
- http://matstravel.ru/userfiles/file/74942169732.pdfIn PDF document text
- https://ofertaromania.ro/ckfinder/userfiles/files/77842824830.pdfIn PDF document text
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a5a11ed758d---tedoxel.pdfIn PDF document text
- http://pi-consulting.ch/download/70974505696.pdfIn PDF document text
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a403ef81f78---19147255400.pdfIn PDF document text
- http://www.520amis.com/upload/files/17970789728.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=la+cigale+et+la+fourmi+r%C3%A9sum%C3%A9+pdfPDF 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_off0000e5a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5A1 | 20736 bytes |
SHA-256: 6447e72ec0c912d0e95ceb48f77405c6ba9440c559d10d32994ef1b9e42f265a |
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font_01_sfnt_off00011a06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A06 | 11068 bytes |
SHA-256: 5adfcf6291826281a2e2ee3cadc35165644444ef05575a8541b9af141e0c6689 |
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font_02_sfnt_off00013360.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13360 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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