MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous embedded URLs, many of which point to other PDF files hosted on various domains, indicating a link farm designed to distribute malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically identifies this pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 5
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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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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://lohoithaiduong.com/uploads/files/bupabeganovavowodamo.pdf In PDF document text
- https://implantsdentairesdesmoulins.com/upload/editor/file/87295465295.pdfIn PDF document text
- https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/3f7beb80fe0a2caab1ba279ef52accb1/33390586582.pdfIn PDF document text
- https://www.idd.no/ckfinder/userfiles/files/lujabajufabuvebimaxel.pdfIn PDF document text
- http://dayuntang.com/assets/uploads/ckedit/files/20210912205911.pdfIn PDF document text
- http://coachhouse.info/assets/file/60145241638.pdfIn PDF document text
- https://toptenstudy.com/upload/files/BodyFile__6145A9A9E7F38.pdfIn PDF document text
- http://yourtruck.be/upload/ckeditor/file/zizugonajonegovipesedaf.pdfIn PDF document text
- https://maintogelonline.info/contents/files/36175977232.pdfIn PDF document text
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/0cehteogvervu7ue4vnct1ido1/tulafixoda.pdfIn PDF document text
- http://xn--4k0b43gkwo4gn.com/upload/editor/file/72723837814.pdfIn PDF document text
- http://nessium.fr/userfiles/file/55640576546.pdfIn PDF document text
- http://tg-focus.ru/userfiles/files/52808483114.pdfIn PDF document text
- https://daaeportrett.no/upload/file/vatuzuvibi.pdfIn PDF document text
- http://jjw-led.com/userfiles/file/datodupuxaguta.pdfIn PDF document text
- https://trisyscom.com/userfiles/file/88920867822.pdfIn PDF document text
- https://360clothing.indicsys.com/home/www360cl/public_html/uploads/images/files/segejororasigavulet.pdfIn PDF document text
- http://aadcnfgl.netsociality.com/upload/files/jovebug.pdfIn PDF document text
- http://chiari-web.com/ckfinder/optimist/files/41793236488.pdfIn PDF document text
- http://ituor.ir/basefile/chartermeinfo/files/82014468745.pdfIn PDF document text
- https://copperscrap.wasteequipment.net/ckfinder/userfiles/files/25854295291.pdfIn PDF document text
- http://xecuoihuyhoang.com/uploads/userfiles/file/zenazuz.pdfIn PDF document text
- http://www.alfapilates.pl/upload/file/vesudupisifemalofiwixeje.pdfIn PDF document text
- http://burragebrothers.net/demo/jolie/beta/userfiles/files/82930479193.pdfIn PDF document text
- http://feedproxy.google.com/~r/MbOu/~3/vItLtdF7Pec/uplcv?utm_term=extreme+riddles+and+answersPDF 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_off0000e767.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE767 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ff7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF7E | 10460 bytes |
SHA-256: cbde7d973cef18bdce4f930a7ad646e4689553e89d6492b81949b0567aeafc7c |
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font_02_sfnt_off0001173d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1173D | 17408 bytes |
SHA-256: ea1f552d0e2ae01af915548edf764e0cd3c82b3f4fcb666fd075fa710379c3ae |
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