MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised or disposable hosting domains, indicating a link farm designed to redirect users. Heuristic analysis flagged the document as a link farm and a potential phishing or malicious PDF. The ML classifier and ClamAV detection strongly support the malicious nature of this file.
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://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/78dca4d8f62f8af3d666a9c366547d63/74453655387.pdf In PDF document text
- https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/5039e054f6d6c2b1d5021d9d7f9785da/butapirupup.pdfIn PDF document text
- https://foundlight.ca/home/foun6192/public_html/files/custom_files/file/salodebafarig.pdfIn PDF document text
- https://matfplayer.com/calisma2/files/uploads/37240106149.pdfIn PDF document text
- https://mpksieradz.pl/upload/file/92586071809.pdfIn PDF document text
- http://bielle-srl.com/userfiles/files/2807033651.pdfIn PDF document text
- http://roycraft.ca/userfiles/file/pavewax.pdfIn PDF document text
- http://boracayg.com/FileData/ckfinder/files/20210911_C89DA0F0BA18D65C.pdfIn PDF document text
- https://netwindowvn.com/uploads/userfiles/file/22155402693.pdfIn PDF document text
- https://autotoner123.com/home/autotone/public_html/ckeditortest_WORKING/ckfinder/userfiles/files/57964843871.pdfIn PDF document text
- http://verkaufs-akademie.com/userfiles/file/66344825204.pdfIn PDF document text
- http://xn--o79av69abka850ab6c.com/upload/file/202109010954429869.pdfIn PDF document text
- https://lawrenceyezersky.com/userfiles/file/27707195789.pdfIn PDF document text
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/2o29oo902jei5968p8docbbgsj/ligoxozapudir.pdfIn PDF document text
- http://minerva-collection.net/files/files/45998332894.pdfIn PDF document text
- https://digicpictures.com/downloads/79181414509.pdfIn PDF document text
- http://ketoanaca.com/uploads/image/files/vemigemurunokumeziniw.pdfIn PDF document text
- http://woodwork.pl/ubezpiecz/obrazy/file/fadowetoxewoxa.pdfIn PDF document text
- https://giriconsultancy.com/content_files/files/motorodewanimeko.pdfIn PDF document text
- https://exihomes.com/userfiles/files/4427932862.pdfIn PDF document text
- http://xn--2o2b17g32e8xisqq.com/userData/board/file/22893316855.pdfIn PDF document text
- http://soyaksiesta3.com/userfiles/file/kitis.pdfIn PDF document text
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/67b29ad4777d04ff76d20d033e8db0dd/kokazutelur.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=s21+ultra+vs+11+pro+maxPDF link annotation
- https://easyown.ddproperty.com/datas/files/42161258843.pdfIn PDF document text
- 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_off0000c269.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC269 | 10600 bytes |
SHA-256: 35c0b0d643ceb542624308704ae6db7c137cf8776a975d774df2b6adf91ed13c |
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font_01_sfnt_off0000dacd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDACD | 22512 bytes |
SHA-256: b60969960e39abd3d197632506de73e22a01ba03298a16f34dbdba5e397b0518 |
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font_02_sfnt_off000113ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113AE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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