MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external PDFs hosted on various domains, many of which appear to be disposable or low-reputation. The heuristic 'PDF_RANDOM_URL_LINK' and 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggest a phishing or malware distribution attempt. While no scripts were directly extracted, the nature of the links and the ClamAV detection indicate a malicious intent to redirect users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://taipeitccia.org/CKEdit/upload/files/lelavulotusobavop.pdf In PDF document text
- http://babamoleskine.com/files/file/9374263740.pdfIn PDF document text
- https://driftwoodcc.com/userfiles/files/pajopifewitijosafomol.pdfIn PDF document text
- http://chaodontuonglai.vn/uploads/ck_upload/files/27929602638.pdfIn PDF document text
- http://wyadonline.com/userfiles/file/vugegojojuwigipararat.pdfIn PDF document text
- http://xn----7sbndn5at.xn--p1ai/uploads/files/54157488036.pdfIn PDF document text
- http://wwstationery.com/files/file/47355149904.pdfIn PDF document text
- https://webshopplus.nl/app/webroot/files/userfiles/files/soroxogawapi.pdfIn PDF document text
- https://banderlogclub.ru/Files/file/40281605520.pdfIn PDF document text
- http://veterinarioassociatopacinidallatorre.eu/userfiles/files/32379925784.pdfIn PDF document text
- http://bigdoughpizza.com/uploads/files/69712576326.pdfIn PDF document text
- http://tuanlongland.com/upload/files/pekos.pdfIn PDF document text
- http://dobraukraina.org/sites/all/sites/dobraukraina.org/files/mizuwolepesivu.pdfIn PDF document text
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/161399b9b8c753---neluxopimafa.pdfIn PDF document text
- https://lyonsinn.com/nbloom/fckuploads/file/44979133103.pdfIn PDF document text
- https://www.abrasco.org.br/ckfinder/userfiles/files/doginomobidavepijibulexe.pdfIn PDF document text
- https://onlinendttraining.com/files/mebaxobizun.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/05e7bd09ce7b619fe4616766b45f8bf3/dovegu.pdfIn PDF document text
- http://baschin-heizung.de/meineBilderAlbertGrundschule/file/543752535.pdfIn PDF document text
- https://tasleemdubai.com/userfiles/files/66331488841.pdfIn PDF document text
- http://handinks.com/ckfinder/images_store/files/polisotadodirujubujus.pdfIn PDF document text
- http://sunriverps.com/data/editor/file/tabovugavonule.pdfIn PDF document text
- http://sin-hua.org/userfiles/dekedeseredun.pdfIn PDF document text
- https://kattliv.com/kattliv/admin/userfiles/file/nokena.pdfIn PDF document text
- https://jdsliquorlocker.com/nbloom/fckuploads/file/25627954417.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=note+s20+vs+iphone+12PDF 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_off0000df76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF76 | 18164 bytes |
SHA-256: c58dfd58cbd41ac479cd581bbc623197106e683216f6d25197461666ff4c7fcc |
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font_01_sfnt_off00010ecd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ECD | 10376 bytes |
SHA-256: 61eb4778ff78a9c5d544125a4763fc2f29717734a2ca45a0689d6bf9fdfbeebe |
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font_02_sfnt_off0001265a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1265A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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