MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, 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 number. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a phishing attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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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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 https://qfuse.it/images/uploaded_files/ckfinder/files/1631067303_4d977d22db.pdf In PDF document text
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134378320b8e---83033936559.pdfIn PDF document text
- https://tefen67.com/userfiles/files/wupuluwinonurulamusuref.pdfIn PDF document text
- http://growlink.biz/userfiles/file/liwomomogifido.pdfIn PDF document text
- https://www.borzabadi.com/ckfinder/userfiles/files/45856093165.pdfIn PDF document text
- https://adamant54.ru/userfiles/files/21513163369.pdfIn PDF document text
- https://franchisefarm.franchiseharbor.com/files/files/fezazejolunubopewisuki.pdfIn PDF document text
- http://interiorconsignments.com/media/file/43180484021.pdfIn PDF document text
- http://neurooperations.com/ckfinder/userfiles/files/jigaromas.pdfIn PDF document text
- http://anapro.com/ckfinder/userfiles/files/29959975482.pdfIn PDF document text
- http://zjgjqmr.com/v15/Upload/file/202192552313082.pdfIn PDF document text
- https://www.cascatai.com.br/ckfinder/userfiles/files/27823953977.pdfIn PDF document text
- http://www.addvanceo.info/userfiles/files/91508991553.pdfIn PDF document text
- http://designerhouse.ru/upload/files/kurol.pdfIn PDF document text
- https://skatrip.com/basefile/skatripcom/files/xekuvumomufigebukuni.pdfIn PDF document text
- https://ylwlgwadmin.ylwl.cn/upload/files/fipukujod.pdfIn PDF document text
- http://spzpoz-zdunskawola.pl/upload/file/mubopu.pdfIn PDF document text
- http://coutleelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/27604174628.pdfIn PDF document text
- http://www.hon-ro.hu/userfiles/files/jafofidelozo.pdfIn PDF document text
- http://jiin-torng.com/uploadfiles/20210920192136.pdfIn PDF document text
- https://bonvoyageindia.in/ckfinder/userfiles/files/kajumokozolaju.pdfIn PDF document text
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d8649016cf---80720738474.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=how+to+make+android+into+iphonePDF 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_off0000acdb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xACDB | 10612 bytes |
SHA-256: ad62389a7fe7bf14c010e47623717819b34da763728b26164ee758d4f50e9644 |
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font_01_sfnt_off0000c4d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4D8 | 14636 bytes |
SHA-256: 115b15c6b36e7c173c6e3fbaa661d7cecb9f335e7c6a6c6750e767acf8b1ec76 |
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font_02_sfnt_off0000e9b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9B0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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