MALICIOUS
86
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document flagged by an ML classifier as malicious. Heuristics indicate it functions as a link farm and contains a callback phishing lure, prompting users to call a phone number for a fake issue. While no scripts were extracted, the PDF structure and embedded URLs suggest an attempt to redirect users to malicious sites or initiate fraudulent phone calls.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
Heuristics 5
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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://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/16142c2a531f89---85960580141.pdf In PDF document text
- https://alubiasdetolosa.com/files/galeria/files/wodisifakesosaw.pdfIn PDF document text
- https://bhandarisurgical.com/ckfinder/userfiles/files/wakusovazinowififemipeg.pdfIn PDF document text
- http://panova-art.com/files/file/21008449918.pdfIn PDF document text
- https://landatur.com/files/galeria/files/80978685030.pdfIn PDF document text
- http://xn--80aadq3ae7aa5k.xn--p1ai/upload/file/67543476213.pdfIn PDF document text
- http://futuralagoparking.eu/userfiles/files/zupividogozuwivagox.pdfIn PDF document text
- http://naoshima-tours.com/images/blog/file/manejonokaxagixupufo.pdfIn PDF document text
- http://lsmtrontractor.com/upfiles/file/20210902175907.pdfIn PDF document text
- http://taxicityplus.ru/userfiles/file/81071313967.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161411774df967---60440320454.pdfIn PDF document text
- http://diagnosticaedilizia.com/userfiles/files/mozunibajefaf.pdfIn PDF document text
- http://perila-vrn.ru/userfiles/file/80056935326.pdfIn PDF document text
- https://asiantms.com/ckfinder/userfiles/files/vibupidajinilefo.pdfIn PDF document text
- http://geologicatoscana.eu/userfiles/files/82934707219.pdfIn PDF document text
- https://blv.by/upload/editor/files/rizosojisifegogoda.pdfIn PDF document text
- http://headlinesdinerla.com/uploads/files/fipafudivev.pdfIn PDF document text
- http://www.moyekolodin.com/files/wexuxasonadulafamotunaxub.pdfIn PDF document text
- http://lovesushiscv.com/uploads/files/pipawovegosud.pdfIn PDF document text
- https://www.twibiotech.com/plugin/ce1/ckfinder/userfiles/files/4561752210.pdfIn PDF document text
- https://chokysitohang.com/Uploads/userfiles/files/47096575502.pdfIn PDF document text
- http://dkkarsin.pl/img/upload/files/papegapegivojijawu.pdfIn PDF document text
- https://noithathoaphat11.com/upload/files/70937986219.pdfIn PDF document text
- https://palezieux.com/ckfinder/userfiles/files/fagonawidemexi.pdfIn PDF document text
- https://bushregenerators.info/userfiles/files/xekovafasevukofovebizose.pdfIn PDF document text
- http://luxcottage.ru/stroykamen/userfiles/file/91491922882.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=xamarin+android+toast+examplePDF 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_off0000be4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE4F | 16868 bytes |
SHA-256: b5cb1bca23b894e6cbaff4d3ccf747734af086f9ce25539ece6700253d93fe57 |
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font_01_sfnt_off0000e9c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9C2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000101d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101D9 | 10664 bytes |
SHA-256: b3c07fa0cd02bb3f45c47b5b8be2aae0e4b8587b15426c55d5936309ceca234e |
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