MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristic firings and numerous embedded URLs suggest a phishing or malware distribution campaign. The document body is heavily obfuscated, but the presence of many links points towards a lure to external, potentially malicious, websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9939
Heuristics 5
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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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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://cesvil.it/filesUploads/file/soxesazuxafi.pdf In PDF document text
- http://shepardinteriordesign.com/rw/upload/file/70415207984.pdfIn PDF document text
- https://nhaccugiare24h.com/uploads/userfiles/file/badulanidul.pdfIn PDF document text
- https://projectmine.hu/ckfinder/userfiles/files/91184755889.pdfIn PDF document text
- https://autopits-directo.migrupoq.com/ckfinder/userfiles/files/kamerudovinofiniwu.pdfIn PDF document text
- https://alternativecarrepair.com/userfiles/file/kifigivowisakobu.pdfIn PDF document text
- http://food-cloud.com/home/food-cloud/www/site/site/data/files/xisusifuzufup.pdfIn PDF document text
- http://manpukuorder.com/uploads/files/59486584481.pdfIn PDF document text
- http://dayuntang.com/assets/uploads/ckedit/files/20210913092046.pdfIn PDF document text
- https://www.rapn.ru/ckfinder/userfiles/files/vinivawutuj.pdfIn PDF document text
- http://inbjnews.com/data/cheditor/0603/files/rilafez.pdfIn PDF document text
- https://cashcruis.ru/wp-content/plugins/super-forms/uploads/php/files/73b161336bb97273f92eec6bd547ce8d/50616633279.pdfIn PDF document text
- https://muguet.fr/sites/default/files/file/vofodabelujojodesujozimab.pdfIn PDF document text
- http://finadev-groupe.com/userfiles/file/mewunafad.pdfIn PDF document text
- http://etalentlink.com/uploadfile/file///2021090722033386.pdfIn PDF document text
- http://a899.net/userfiles/file/18199881035.pdfIn PDF document text
- https://santehsevast.ru/userfiles/files/wivipuvosavaniwenibus.pdfIn PDF document text
- http://www.aceitunasdelguadalhorce.es/ckfinder/userfiles/files/62720325120.pdfIn PDF document text
- http://zenithmetals.com/files/94737561089.pdfIn PDF document text
- http://nakloboucku.cz/uploaded/file/18610951444.pdfIn PDF document text
- http://barrospizzadb.com/uploads/files/bokejetiwij.pdfIn PDF document text
- http://bladensburg.abwingsmd.com/uploads/files/nidiwatez.pdfIn PDF document text
- https://combrooncom.com/contents/files/fofokefopegi.pdfIn PDF document text
- https://calson.garment-pro.com/ckfinder/userfiles/files/32367500721.pdfIn PDF document text
- http://nsfeed.com/_UploadFile/Images/file/kulelotajinezubu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=friv+online+games+2021PDF 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_off0000edf8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDF8 | 17536 bytes |
SHA-256: 515bce4a85fbf9227d665115afaf48a18a6617a367ff7944849e747e4af5e62d |
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font_01_sfnt_off00011bb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BB8 | 10688 bytes |
SHA-256: a4e35e91b2813ed003101ccb233e84a457d7accda5a54b27a9ed0b79995b316e |
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font_02_sfnt_off00013449.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13449 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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