MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristic 'SE_CALLBACK_LURE' strongly suggests a callback phishing or tech-support scam, where the document prompts the user to call a phone number. Numerous embedded URLs were found, many pointing to potentially disposable hosting, further supporting a phishing or scam campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://siciny.eu/userfiles/file/72753846133.pdf In PDF document text
- http://chongthamphucthang.com/images/news/files/92616009813.pdfIn PDF document text
- http://rutka.pl/media/upload/files/579fa7018ecb18f0829755ae5386af3f.pdfIn PDF document text
- http://hcbarrett.com/user_area/file/60058410858.pdfIn PDF document text
- https://zegaoyun.com/calisma2/files/uploads/tamozobik.pdfIn PDF document text
- http://dailythang.com/userfiles/files/dagisexor.pdfIn PDF document text
- https://ketex.com/trcgp/ckfinder/userfiles/files/nagodogotebatudipar.pdfIn PDF document text
- https://feniks9.ru/ckfinder/userfiles/files/53029903661.pdfIn PDF document text
- http://toptoptraining.ru/img/upload/file/79634555364.pdfIn PDF document text
- http://sasnowosielski.com/ckfinder/userfiles/files/sizetirerekolonum.pdfIn PDF document text
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/16140e861b47ff---28117964094.pdfIn PDF document text
- https://www.supremecaravans.com.au/application/third_party/ckfinder/userfiles/files/93278021199.pdfIn PDF document text
- https://manorhair.com/uploads/files/202109100124574812.pdfIn PDF document text
- http://mclarenquartz.in/ci/userfiles/files/xupof.pdfIn PDF document text
- http://www.huescalamagiaenfotos.com/userfiles/files/duwasoro.pdfIn PDF document text
- http://alarcon-v.com/editor_upload_image/file/30619183402.pdfIn PDF document text
- https://ochronaskory.pl/pliki_user/File/vovatetudawopu.pdfIn PDF document text
- https://aluminiosarla.com/userfiles_arla/files/xevevomaleminufoka.pdfIn PDF document text
- http://pjteam.hu/uploads/wulozixulavidiwiwefiwuro.pdfIn PDF document text
- https://mgc.to/sites/web/upload/files/fibefepiliniladu.pdfIn PDF document text
- http://mannadey.in/FCKeditor/file/fadewaput.pdfIn PDF document text
- http://yaqeen-eg.com/userfiles/file/fawuriwupoxolirobubose.pdfIn PDF document text
- https://khachsan295doson.vn/namthuan/images/news/files/zaxawavagurezivu.pdfIn PDF document text
- http://dade666.com/userfiles/202109file/2021090805292370554.pdfIn PDF document text
- http://arredamenticucinesiciliane.it/userfiles/files/wabeku.pdfIn PDF document text
- https://5of7edwardstreet.com/assets/media/files/marorosimiwebikuj.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=sincronizar+outlook+calendar+con+androidPDF 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_off0000d31c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD31C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eb2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB2E | 17544 bytes |
SHA-256: 5090a0d5bafee6605f2750094b69ddff929b29e9890d0b11b6f1347394f5a8dd |
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font_02_sfnt_off0001184c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1184C | 10524 bytes |
SHA-256: b07087bdc9961e25e6c5529c03294fa55b718172e6fe66e3ad955c48bf4fc220 |
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